Gold dioxide
[化] 二氧化金
🧩 词语组成解析
gold
[ɡold]
n. 金，黄金;金色;金币;金饰品;
adj. 金（制）的，含金的;金色的;金本位的;
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
He's concentrating on learning English.
他集中精力学英语。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.
坐办公室的之所以常常被称作“白领工人”，就是因为他们通常是穿着硬领白衬衫，系着领带去上班。