It must be strong, solid, but not coarse.

他必须要是坚实有力的，但也不能粗陋。

youdao

These adjectives apply to what is not smooth but has a coarse, irregular surface.

这些形容词指不光滑、粗糙或不平整的表面。

youdao

These adjectives apply to what is not smooth but has a coarse, irregular surface.

这些形容词指不光滑、粗糙或不平整的表面。

youdao