Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
A watch! I've got just the place for watches! Let's go.
手表！我正好知道有家卖表的。走吧！
What excuse could he have for being so rude?
他做了那样无理的事，将如何辩解呢？
That's right.
对。