Explanation:
1. Liquid or gas contains many components; Thick (as opposed to light): thick ink. Thick clouds. Strong tea. Thick eyebrows.
2. Depth: Strong interest. I am sleepy.
3. Last name.
Group words: focus, focus, focus.
antonym
frivolous
synonym
thick and heavy
Make a sentence
1. My brother is interested in calligraphy.
2. The decrease of the risk of sudden cardiac death has nothing to do with the change of cholesterol concentration.
There is a strong fragrance peculiar to the equatorial zone.
4. No matter how good the time is, it will condense into history; No matter how far you wait, as long as you persist, it will always come. Don't wait until your life is dying to remember to look up at flowers and cherish them.