Explanation and explanation of Ye Zi's meaning in Xinhua Dictionary
( 1)& lt； Leaves of plants. Herb picking: "Those who use ~ take ~ at the beginning of a long period."
(2)& lt； Noun > world; Period. Preface to Xiao Tong's Selected Works: "Hanzhong Ziyan ~"
(3)& lt； Noun > page. One is called leaves. Wang Yanhong's Sleepover: "The mouse flips the book ~ rings." ?
& lt adjective > harmony. Wang Chong's Lun Heng Qi Shi: "With all the people." Extension: combination; Common. "History of the Old Five Dynasties, Han Yin Di Ji": "The arm of the thigh ~ seeks, and the slave transmits power." ?
Note 1. "Ye" is the word "Xie" in ancient times, and it should not be said by leaves in ancient times. Except for a few cases such as "Xie" and "Ye Sentence", it is generally written as "Xie" instead of "Ye". In ancient times, "Ye" and "Ye" were two words with different meanings. None of the above meanings is written as "leaf". Now "leaves" are simplified to "leaves".
Group words:
1, petiole
Sentence making: leaves alternate; Petiole short, puberulent; Leaf blade leathery, oval to oblong, 6-65438 02 cm long and 2.5-4 cm wide, with sharp or blunt tip and nearly round or slightly inclined base.
Description: One of the components of leaves, connecting leaves and stems, is long. Some leaves have no petiole, and the leaves are directly connected with the stems.
2. A long-tailed monkey
Sentence: mother and baby of animals. This photo was taken by a 35mm remote camera. In Bandhavgarh National Park in India, a small langur (a long-tailed monkey) clings to its mother's chest.
Description: A kind of monkey with slender body, slender limbs, small head and long tail. Take leaves as the staple food.
3. Leaf sheath
Sentence making: Before the tasseling stage of waxy corn, nitrogen was mainly concentrated in leaves, with the distribution rate of 45. 16%, followed by stems, with the distribution rate of 33.16%; Thirdly, in leaf sheath, it is 1 1.0 1%, and the total proportion of the three nutrients is 89.33%.
Description: The leaves of rice, wheat, sedge and other plants wrap the stems.
4. mesophyll
Sentence-making: Further detection by in-situ RT-PCR technology proves that apple wrinkle virus exists in apple leaves, mainly distributed in the nucleus of mesophyll cells.
Description: The rest of leaf epidermis is mainly composed of parenchyma cells except vein.
5. Shutters
Sentence: Introduce the main physical and chemical properties and detection methods of wooden louver blades, so as to strengthen the understanding of the industrial standards of wooden venetian blinds and louver blades and better guide the production and research of this product.
Commentary: (1) thousand copies. (2) (~) Stomach of ruminants such as cattle and sheep. They are called blinds when they are used as food.
6. Monocotyledons
Sentence-making: It also represents the main evolutionary pedigree of heat shock transcription factor gene family in angiosperms, including monocotyledons and dicotyledons. On this basis, the evolutionary analysis is carried out.
Explanation: A plant with only one cotyledon on its seed embryo. The roots of most monocotyledonous plants are fibrous roots, the roots and stems have no cambium, the leaves have parallel veins and the cotyledons are very small. Such as rice, wheat and corn.
7, broad-leaved forest
Sentence: When she was studying at HunterCollegeHighSchool in new york, she decided to start a general survey of all songbirds in the broad-leaved forest in Long Island.
Description: Forests dominated by broad-leaved trees. Such as Yang Shulin or birch forest.
8, compound leaves
Sentence: An epiphytic and creeping American fern (Polypodiaceae), which grows in warm areas and has curly compound leaves, seems to die in continuous dry weather, but will grow again in wet conditions.
Description: Leaves with two or more leaflets on the petiole have many shapes, such as pinnate and palmate.
9. Cotyledons
Sentence making: Only the callus induced by cotyledons has inhibitory effect on Sclerotinia sclerotiorum, and the callus has no obvious activity on Fusarium graminearum and botrytis cinerea, which is obviously lower than that of Sophora flavescens seed extract.
Description: One of the components of seed plant embryo is the vegetative organ during seed germination. The embryo of monocotyledonous plants has only one cotyledon, that of dicotyledonous plants has a pair of cotyledons, and that of gymnosperms has two or more cotyledons.
Xiao Ye 10
Sentence: 75% of breast tissue belongs to 1 lobule tissue, which is the origin of tubular cancer cells; 25% of breast tissue belongs to type 2 lobular tissue, which is the source of lobular cancer cells.
Description: Botany calls each leaf on a compound leaf a lobule.