Upgradable computer
[计] 可升级计算机
🧩 词语组成解析
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
I think all the products are going to sell very well.
我相信这批货一定会卖得很好。
Every medal has its reverse.
事物都有它的反面。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。