Nohlite
铌钇铀矿
🗣️ 情景例句
Just sketching.
只是画些草图。
No trouble at all.
一点儿也不麻烦。
These are partly a matter of personal circumstances, partly a matter of psychology.
这里一方面是个人所处的环境，另一方面是个心理学的问题。