Poly(ethylene oxide)
[化] 聚环氧乙烷
🗣️ 情景例句
That is a great idea.
这是个好主意。
An evening red and a morning grey, is a sign of a fair day.
晚霞红如火，晓色青如灰，定是晴朗天。
Neither of the men spoke.
两个人都没说过话。