Flux evaluation
[电] 光通评量
🧩 词语组成解析
🗣️ 情景例句
Have a smooth flight.
一路顺风。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。