Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
You can put it that way.
你可以那样说。
Please go over it and see if everything is in order.
请过目一下，看看是否一切妥当。
They were expecting their sixth child and were faced with even more pressing economic problems.
第6个孩子即将问世，他们面临着更为严峻的经济问题。