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 pedals of a cycle are attached to the crank.
The pedals of a cycle are attached to the crank.
自行车的踏板与曲柄相连。