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 /
A tunnel has been dug through the hill.
A tunnel has been dug through the hill.
穿过这座小山的隧道已经被凿通了。