Limit of impurities
[化] 杂质极限; 杂质限度
🧩 词语组成解析
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];
n. 杂质（impurity的复数）
🗣️ 情景例句
Too much tea will brown your teeth, but it's good for your health; so what are you going to do?
茶喝多了会把你的牙齿染黄，但对你的身体去有好处。因此你会怎么办？
If he doesn't tell him, I will.
如果他不，我将告诉他。
Fish and chips has always been a favourite dish in Britain,
油煎鱼加炸土豆片一直是英国人喜爱的一道菜，