Upgradable
a. 能提到更高一级标准的(=upgradeable)
🗣️ 情景例句
Which band of College English Test have you passed?
大学英语考试过了几级？
Mother enjoys listening to that symphony.
母亲喜欢听那首交响乐。
As the man came near, the prisoner knocked him to the ground with a sharp blow.
当这个人走近时，战俘一拳把他打倒在地，