Arithmetic difference
[计] 算术差
🧩 词语组成解析
🗣️ 情景例句
Why do you want to resign your position as secretary?
你为什么想辞去秘书的职务？
No one can call back yesterday.
往日不复返。
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。