Precancel
vt.(收寄大宗邮件或邮包时)预先盖销(邮票)
🗣️ 情景例句
I really have to go.
我真的得走了。
These clothes are dirty, they need to be washed.
这些衣服脏了，需要去洗。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，