2. The synonym is: wet, and the antonym is: dry.

3. Explanation: Describe the degree of humidity.

Step 4: Example

People are curled up in the wet rainy season, like a wet candy, depressed and helpless. (In March 2004, Changjiang Literature and Art Publishing House published China 100 essay).

In summer, the wind from the South Pacific makes many cities facing the sea in the south feel wet, and this wind with moisture is blocked and filtered by the mountains in Jiaodong Peninsula, and only when it reaches Yantai, which faces the sea in the north, will it remain cool and comfortable. ..... (Yantai Sea)

Wet green everywhere, wet islands all over the sea, faint footprints, misty sails ... (Rain in Malay by Hu Shengliang)