Preventative
a. 预防的, 防止的\\nn. 预防法, 预防措施, 预防物, 预防药
✅ 同义词
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。