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
Oh, how do you do?
噢 你好吗?
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。