Dimethylane
二甲蓝
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
If the customer requests a carrier other than truck, he must bear the additional charge.
如果顾客坚持用卡车以外的运输工具，就必须负担额外费用。
of the nature of the illness from which his friend was suffering,
不知道他的朋友得的是什么病，