Stop-off agent
[化] 阻流剂; 阻流剂钎焊
🧩 词语组成解析
stop
[stɑp]
vi. 停止;中断;逗留;（使）停止工作;
vt. 塞住;堵塞;阻挠;止付;
n. 停止;（管风琴的）音栓;停车站;（管风琴的）音管;
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
How many provinces do you have?
你们有多少个区？
How many people lived here?
多少人住在这里？