Objectionable impurities
[化] 有害杂质
🧩 词语组成解析
objectionable
[[əb'dʒɛkʃənəbl]]
a. 会引起反对的, 令人讨厌的
n. 杂质（impurity的复数）
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
No trouble at all.
一点儿也不麻烦。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技帅，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。