Cerrobase
低熔点铅合金
🗣️ 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。
I ought to stay at home.
我应该留在家中。
So it became known as the gold rush.
成为广大为人知的“淘金热”。