Radioelement
n. 放射性元素\\n[化] 放射性元素
🗣️ 情景例句
I liked the work. However, the firm is too small for me to widen my experience.
我喜欢那份工作。但那家公司太小，难以增加我的经验。
How often do you go swimming?
你多久去游一次泳？
Modern machines can make the copy bigger or smaller, lighter or darker and copy onto both sides of the paper.
代机器可以放大、缩小、制作较亮的或较暗的复印件，也可以在纸的两面复印。