Upgrades
v. 提升( upgrade的第三人称单数 ); 使（机器、计算机系统等）升级; 提高（设施、服务等的）档次; 提高（飞机乘客、旅馆住客等）的待遇
🗣️ 情景例句
I get the picture.
我知道是怎么回事了。
Button holes are very hard to sew.
要缝钮扣洞非常难。
Yesterday the firemen examined the ground carefully, but were not able to find any broken glass.
昨天，消防队员仔细查看了地面，但未能发现碎玻璃。