Acroleic
a. 丙烯
🗣️ 情景例句
And good stuff, too.
而且都很精采。
Please try to be congenial and welcome the guests with a small.
请用笑脸愉快地迎接客人吧。
I was doing eighty when I overtook you.
我是以第小时80英里的速度赶上你的。