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 /
Everything is at sixes and sevens in the house.
Everything is at sixes and sevens in the house.
屋子里乱七八糟的。