Billon
n. 比朗金(或银)合金
🗣️ 情景例句
Oh, it's so good to see you!
噢 看到你真是太好了。
For some time now, he has contemplated moving to America.
他长久以来就在考虑移居美国了。
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。