Celer
comb. 表示“快, 速”
🗣️ 情景例句
Did you remember your other appointment for today?
还记得今天的另一个约会吗？
I must apologize for his unusual behavior.
我必须为他怪诞的行为致歉。
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。