Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
We're in the country.
我们在乡村。
This mouse would be delicious.
这只老鼠似乎很是可口。
and he had seen there evidence enough to overthrow Aristotle and Ptolemy together.
观察到的论据足以把亚里士多德和托勒密一起推翻。