coarsest
adj. 粗的( coarse的最高级 ); 粗糙的; 粗野的; 粗鲁的
Coarse things have a rough texture because they consist of thick threads or large pieces.
...a jacket made of very coarse cloth.
粗布制成的夹克
...a beach of coarse sand.
粗沙海滩
If you describe someone as coarse, you mean that he or she talks and behaves in a rude and offensive way.
The soldiers did not bother to moderate their coarse humour in her presence.
她在的时候,士兵们还是照样说粗俗的笑话,都懒得收敛。
The coarsest sandstones intercalated with grey mudstones.
最粗粒砂岩与灰色泥岩成互层.