Derailleur
n. <法>(自行车)变速器, 装有变速器的自行车
🗣️ 情景例句
Please help me to get things straight.
请帮助我把事情搞好。
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。
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。