Bureau of weights&measures
[经] 度量衡检验局
🧩 词语组成解析
bureau
['bjʊro]
n. 局;（提供某方面信息的）办事处;（美国政府部门）局;（附抽屉及活动写字台的）书桌;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Well, for one thing, he's my sister's boyfriend. Ann talks about Jack all the time.
首先，他是我妹妹的男朋友。安整天就是杰克长杰克短的。
Two wrongs don't make a right.
两个错误不能构成一个正确。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，