Polymethylene tetra sulfide
[化] 四硫化聚亚甲基
🧩 词语组成解析
n. [化]聚亚甲基
n. 脂鲤
n. 硫化物\\n[化] 硫化物
🗣️ 情景例句
I'm afraid I didn't get on very well in the exam.
我这次考试恐怕不太顺利。
A good medicine tastes bitter.
良药苦口，忠言逆耳。
The fact that the policeman was prejudiced against foreigners could not be recorded in the official files.
警察歧视外国人的事在官方档案中不可能加以记载，