Os1 calcis
[医] 跟骨
🧩 词语组成解析
[医] 口
🗣️ 情景例句
I'll wait outside.
我到外面等。
The flood has left many people homeless.
许多人因洪水而失去了家园。
Even a telescope in orbit round the earth, like the very successful Hubble telescope, would not be suitable because of the dust particles iron solar system.
即使是一台放置在围绕地球的轨道上的望远镜——如非常成功的哈勃望远镜——也因为太阳系中的尘埃微粒而无法胜任。