Isoconcentration
等浓度
🗣️ 情景例句
What do you want to do after breakfast?
早餐后你想做什么？
If we had been more careful, we would be getting much better results now.
如果我们更为细心的话，成绩会更好。
America, Russia and Europe are filled with enthusiasts----
美国、俄罗斯和欧洲都有许多热心此项事业的人