Upgradeability
n. 可升级性；升级功能
🗣️ 情景例句
Good afternoon, Mrs. Green. I'd like you to meet my girlfriend, Sally.
格林太太，下午好。我想让你认识一下我的女朋友萨里。
He is most noticeable for his southern accent.
他有很浓重的南方口音。
and this is Jeremy Short.
这位是杰里米。肖特。