Ketene
n. [化] 乙烯酮, 烯酮
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
I came to the conclusion that he'd been lying.
我看他是在说谎。
It has yet to reach its full size and strength,
虽然在这个时期人的身材、体力