1. sound and sound. From the earth, the sound is harmonious. Pronunciation y not yōng.

2. Detailed explanation:

(1) Blockage: To block the meeting is to lead the public to build a weir in the east of the state and swim the water to soak its city. (History of the Old Five Dynasties Liang Shu)

(2) Obstruction; Covering up: Xuanwang blocked it with Yan's head. (

(3) Accumulation: So I decided to go to the land and guide Jiang Tao. (Xing Zhou Jiang Yun Ji)

(4) Cultivate the roots of plants with soil or fertilizer: cover the soil. Fat.