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
中医中药
DeepEvidence ↗
确认登录状态…
例句 /
A small, portable lamp usually powered by batteries.
A small, portable lamp usually powered by batteries.
手电筒一种通常用电池供电的小型便携式电灯