Cascade concentration plant
[建] 阶式蒸浓装置
🧩 词语组成解析
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
A bad conscience is a snake in one's heart.
做贼心虚。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。