R-r interval
[医] R-R间期(心电图)
🧩 词语组成解析
🗣️ 情景例句
I made a pig of myself.
我吃得像一头猪！
Photography is an expensive hobby.
摄影是门花费很多的爱好。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.
一旦我们找到这样一颗行星，我们就要想办法将它的恒星射过来的光线遮暗，这样我们就能彻底“看见”这颗行星，并分析它的大气层。