Lanthanide series
[化] 镧系
🧩 词语组成解析
n. 镧系元素\\n[化] 镧系元素; 镧系
🗣️ 情景例句
I find that hard to swallow.
对这一点我难一相信。
Mother doesn't approve of her smoking.
母亲不赞成她吸烟。
No. He just asked if you could ring him back. Here's the number.
没有，他只问你能不能给他回一个电话。这是他的电话号码。