Toddite
铌钽铁铀矿
🗣️ 情景例句
He began to seek jobs in the classified advertisement column in the newspaper.
他开始从报纸的分类广告栏找工作。
I'll go on an outing with some friends.
我与朋友去郊游。
There are some boats on the river.
河上有几艘船。