🧩 词语组成解析
ghetto
['getəu]
n. 少数民族的集中住宅区;犹太人区;限制区，分离区;贫民区;
upgrade
[,ʌp'ɡred]
n. 向上的斜坡;
vt. 提升;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;
up向上+grade步，级→向上升级→上升，升级
🗣️ 情景例句
Who isn't?
有谁不紧呢？
All right. Should I take a look at your battery?
好的。要不要检查一下蓄电池？
I turned the corner and looked in astonishment.
我转了个弯，十分惊奇地看着。