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
At six o'clock this evening.
今晚六点。
And finally, I want to express my appreciation to all of my friends for their support.
最后，我想感谢所有支持过我的朋友。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。