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
Everything we're discussed seem to be here.
我们讨论过的每样事情似乎都在这里。
The phone is busy.
电话占线。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。