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 /
It is easy to get discouraged when things are going bad.
It is easy to get discouraged when things are going bad.
人在碰到困难时，很容易会沮丧。