Control of purity
[建] 纯度(的)控制
🧩 词语组成解析
control
[kən'trol]
vt. 控制;管理;限制;支配;
n. 支配权;操纵者;（对国家、地区、机构等的）管理权;（键盘上的）控制键;
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
No, I don't have any hobbies. How about you?
没有，我没有任何的爱好，你呢？
Please use normal export containers unless you receive special instructions from our agents.
除非你们收到我方代理的特别指示，否则请用正常出口集装箱。
We'll have to buy some more bricks. I don't think these will be enough.
我们需要买更多的砖。我认为这些不够。