🗣️ 情景例句
Please wait for me. I won't be long.
清等等我，就一会儿。
I stayed up until 2:00 in the morning.
我熬夜直到凌晨2点。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。