Plumbsol
银钖软焊料
🗣️ 情景例句
Oh, Susan, thank you so much
噢 ，Susan ，谢谢你。
All is not at hand that helps.
有用的东西并不都是垂手可得的。
He is now retiring from political life and has gone abroad.
他现在退出了政界，到国外去了。