Wofatit
离子交换树脂
🗣️ 情景例句
Although we hadn't met for 25 years, I recognized him the minute I saw him.
尽管我们有25年未见面了，我一看见他就认出来了。
Hope for the best, but prepare for the worst.
作最好的希望，作最坏的打算。
The French authorities had the plane packaged and moved in parts back to France.
法国政府让人把飞机包装起来，一部分一部分地搬回法国。