Aak
[医][=Alloactivated killers]同种（异体）活性的杀伤细胞
🗣️ 情景例句
We have talked of you ofter.
我们经常谈到你。
To throw a pass
经过
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。