Alkylene
亚烃基, 烯化, 烷撑
🗣️ 情景例句
I don't know,
我不知道，
It is a blind silly gooes that comes to the fox's sermon.
只有盲目的笨鹅才会去听狐狸讲道。
A radio message from the mainland had been received by the ship's captain instructing him to give up the search.
返航前，该船船长收到了大陆发来的电报，指示他们放弃这次搜寻。