Ept-
[醫] 上, 在上, 在外
?? 詞語組成解析
[化] 三元乙丙橡膠; 乙丙三元橡膠
??? 情景例句
What's wrong?
怎么啦？
For a few, scholarships were sources of support.
有少數人，獎學金是他們接受教育的學費來源。
its action depends on the surface, water or ground, over which it rides.
它的飛行取決于它所懸浮的水面或地面。