Biv
牛免疫缺陷样病毒
🗣️ 情景例句
He's such a workaholic that he doesn't know how to spend his leisure time.
他是个工作狂，以至于不懂得如何打发他的空闲时间。
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
Yes. You can help me do the shopping.
当然可以。你可以帮我一起选。