O3
[医] 臭氧
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
But after one week and I still hadn't made a single sale, my heart was in my boots.
但过了一星期还没有做成一笔生意，我感到十分焦急。
'This is a wonderful place for a picnic,' said Gloria Gleam.
“在这个地方野餐简直太妙了，”格格利亚。格利姆说。