Aci-compound
[化] 酸式化合物
🧩 词语组成解析
[计] 车辆自动识别
🗣️ 情景例句
John and I celebrate our fortieth anniversary next month.
下个月John和我将庆祝我们的结婚四十年纪念。
We must make it clear from the very beginning that competitive quotations are acceptable.
必须一开始就讲清的是，有竞争力的报价可以接受。
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.
最近有个学生看见两个工人在学校门外用风钻干活，马上打电话报告警察，说有两个学生装扮成工人，正在用风钻破坏路面。