2. Explain:

(1) A shallow container for holding articles.

(2) Something shaped like a disk or having the function of a disk.

(3) Swing, winding and buckling.

3. Grinding wheel

Sentence: In order to protect it, he picked up the millstone (or "corn millstone") at hand and called on people to grind their corn into powder with the stone basin used by the ancients and cover it on their skulls.

4. Pangu

Sentence: Pangu Wenqi Food Club has a unique design of Huaji Nongri Restaurant, French Restaurant and 26 Chinese private rooms with different decorative styles, which provides a variety of choices for entertaining guests.

Explanation: An epoch-making figure in China mythology.