Polythioether
[化] 聚硫醚
🗣️ 情景例句
Been healthy lately?
最近健康吗？
Doctors and lawyers are professional people.
医生和律师是专业人员。
As they are expected to be hungry after their long journey, food is laid out for them.
因为预料到他们在经过长途旅行之后会感到饥饿，所以为他们摆放好了食品。