Gasmetry
气体测量
🗣️ 情景例句
As soon as possible.
越快越好。
Which one is heavier?
哪一个是较重的？
the writer comes to discern things in his material which were not consciously in his mind when he began.
会领悟到素材中很多东西是他刚动笔时所未意识到的。