Paradimethoxybenzene
对二甲氧基苯
🗣️ 情景例句
Safety first.
安全第一。
Well, the worst of the winter should be over.
不过，冬天最糟糕的一段日子总该过去了。
After this he immediately lets himself in and begins barking again.
出去之后，它又马上把自己放进来，接着再开始叫。