Preconditioner
[化] 预调节器
🗣️ 情景例句
You don't know Jack Wang? You're hiking.
你不认识杰克王？看玩笑吧？
While you trust to the dog,the wolf slips into the sheepfold.
当你认为狗可信，狼已偷偷把羊圈进。
The more you order, the more you will save.
订购愈多，省的钱愈多