Erichsen's sign
[医] 埃里克森氏征(检骶骼疾患)
🧩 词语组成解析
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
Wherever you go you'll meet a friend.
不管你到哪里，你总会遇到一个朋友。
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。