Phthaline
二R甲基苯甲酸
🗣️ 情景例句
Eleven o'clock, approve the sketches for the toy spaceship.
十一点钟， 批示玩具太空船的草图。
We are short of hands now.
我们现在人手不足。
As the man came near, the prisoner knocked him to the ground with a sharp blow.
当这个人走近时，战俘一拳把他打倒在地，