Rnt
abbr. residual nitrogern time 氮停留时间; roentgenologist 德国物理学家; roentgenology X光线学; X光科
🗣️ 情景例句
When Alexandra arrives,
等Alexandra到达时，
Rowing builds up arm muscles.
划船能够锻炼臂力。
I was so excited that I wanted to tell the whole world what we had found.
我激动得想要告诉全世界我们发现了什么。