2. shark:A large fish in the ocean, there are many species. Some species have a spouting hole in their head. They are ferocious and prey on other fish. The fins are called shark fins and are a valuable food. The skin is used to make leather. The liver is used to make cod liver oil. Also known as "sand fish"; also known as "shark".

3. sing chip measure sand, worm sand, ape sand, crane, cook sand into rice, break the sand pot to the end

fly sand away from gravel, fly sand away from stone, innuendo, count the sand in the Ganges

accumulate sand into a tower, gather sand into a tower, mud and sand, all the sand, drain the sand and simplify the gold

punch in the fist, like a cone to draw the sand, amass the sand, amass the sand, and get the gold

ape, crane, worm, sand, break the halberd, sink the sand and steam the sand to make the rice