Separatography
无色化合物的吸附分离
🗣️ 情景例句
that the taxpayers will vote for him
纳税人会投他一票
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
The man let out cry and jumped back several paces.
那人大叫了一声，惊退了几步。