Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
I'm gonna do an article
我准备写一篇文章
Hatred is blind as well as love.
爱情与仇恨同样是盲目的。
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，