Octanone
辛酮
🗣️ 情景例句
I really like this one Susan. Do you?
Susan我真的很喜欢这一件，你呢？
Operator, you gave me a wrong number.
总机，你给我接错号码了。
At a special swimming pool in Los Angeles, children become expert at holding their breath under water even before they can walk.
在洛杉矶的一个特设的游泳池里，孩子们甚至在还没有学会走路时就已经能熟练地在水下屏住呼吸了。