Lanthanoid
镧系元素
🗣️ 情景例句
Oh, I date occasionally,
哦 ，我偶尔约约会。
As soon as I complete my training,I'm going to be a bank teller.
一旦我完成训练，我将是一个银行出纳。
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。