Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
Like I said, he'll be with you shortly.
正像我所说 ，他不久就可以与你会面。
There is a natural coyness about her behavior.
她的举止令人有种自然的羞答答的感觉。
The golden rule here is spread your risk --
分散你的投资风险。