Preventives
(preventive 的复数) a. 预防的, 防止的\\nn. 防止物, 预防方法, 预防药
🗣️ 情景例句
I've been invited to give a talk at the conference.
我已受邀在大会上发言。
Are you John's brother?
你是约翰的兄弟吗？
It's David Chou.
周大卫。