Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
Then the damage must be caused at somewhere along the line where the goods weren't handled properly.
那么残损一定是在运输途中的什么地方对货物处理不妥造成的。
Bill Frith's garden is larger than Joe's.
比尔。弗里斯的花园比乔的花园大，