Macrocyclic polythiaether
[化] 大环多硫醚
🧩 词语组成解析
[机] 大环的
(=polythioether)聚硫醚, 多硫醚
🗣️ 情景例句
Could I get you a drink?
你要喝杯饮料吗？
That's all for today.
今天就讲到这里。
I haven't seen him for five years.
我五年没有见到他了。