B. i.
[医] 棱底向内, 缓冲指数
🧩 词语组成解析
[医] 不旋光的
🗣️ 情景例句
Looks like we should've bought a bigger one.
看来我们应该买一件大些的。
It is never too late to learn.
什么时候学习都不晚。
It is the one world in the Solar System that is most like the Earth.
火星是太阳系里与地球最接近的一颗行星。