Plumbs
v. 经历( plumb的第三人称单数 ); 探究; 用铅垂线校正; 用铅锤测量
🗣️ 情景例句
What is your cancellation policy?
我怎么退票？
Can you guess what I was doing this morning?
你能猜测我今早正在做什么吗？
There was a good talk about the increase in the world's population.
有个关于世界人口增长的谈话，很不错。