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 snail shrinks back at a touch.
A snail shrinks back at a touch.
蜗牛一碰就缩回去了。