Polyoxybutylene
[化] 聚氧化亞丁基
??? 情景例句
It's getting late. Please excuse me, but I must leave right away.
時間不早了。對不起，我得趕緊走了。
The buyer has the option of cancelling the contract.
買主有權撤消合同。
Our product is lower priced than the competition.
我們產品價格低廉，具有競爭力。