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 /
50 Here are your-ticket,boarding pass,please keep it.
50 Here are your-ticket,boarding pass,please keep it.
这是您的机票和登机牌，请收好。