Tcs
[化] 四环素类抗生素
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
I was moved. = I was touched.
我很受感动。
So far, not one of them has been struck down by sudden death!
然而到目前为止，还没有一个人暴死呢！