Stibianite
黄锑矿
🗣️ 情景例句
Advertising, bills, bills, advertising.
广告 ，帐单 ，帐单 ，广告。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。
I'm sorry, Mathilde. Have times been hard for you?
玛蒂尔德，我真替你难过。这些年来境况不太好吧？