B
生物医药大词典
by MedSci
菜单
词典
分类
百科
诗词
背单词
英文名
DeepEvidence ↗
确认登录状态…
例句 /
The workman is still busy concreting the road.
The workman is still busy concreting the road.
工人还在忙着用混凝土铺路。