Platinirdium
铂铱矿
🗣️ 情景例句
Excuse me, I just wanted to compliment you on the stunning decor.
不好意思，我只是想赞美一下你那了不起的装饰布置。
I still have a cough.
我仍然患咳嗽。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；