Polyoxybutylene
[化] 聚氧化亚丁基
🗣️ 情景例句
Sounds like no.
声音像 no 。
The bough that bears most, hangs lowest.
枝头结果越多，垂得越低。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。