Preinform
vt.预先通知,预先告知,使预先了解
🗣️ 情景例句
Where did you get such a nice tan?
你到哪把皮肤晒成棕色的？
No. I've been visiting relatives.
没有，我走亲戚去了。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。