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 /
He stuck hard and fast to his principles.
He stuck hard and fast to his principles.
他坚定不移地坚持自己的准则。