Phosphorimeter
磷光计
🗣️ 情景例句
Well, I know you and Mom have given up a lot
嗯， 我知道你和妈妈省吃俭用
I want to welcome you all here for the fourth annual meeting of our Asian sales staff.
欢迎所有来参加我们亚洲推销员第四届年会的代表。
They are walking over the bridge.
他们正在过桥。