Spiracin
甲基羧基水杨酸
🗣️ 情景例句
We cannot leave this problem unattended.
这一问题我们不能置之不理。
I'll know when the time comes.
到时候就知道了。
I have known very few writers, but those I have known,
我所认识的作家寥寥无几，然而凡是我所认识