Unmixedness
(燃料与空气在燃烧室气流中的)不混合度
🗣️ 情景例句
We usually ship the goods by regular liners.
我们一般是定期班轮装运货物。
Strike while the iron is hot.
见机行事。称热打铁。
'Oh dear,' said the conductor suddenly.
“哎呀，”售票员突然说，