Ext
abbr. 扩展（extension）；外部（exterior）；额外的（extra）；提取（extract）
📖 牛津释义
ext
abbr 缩写 =
1 exterior; external. Cf 参看 int 1.
2 extension (number) (eg of a telephone) 电话分机（号码）: ext 4299 分机号码4299.
🗣️ 情景例句
I'll think about it and call you back soon, OK?
我考虑一下，回头我尽快打电话给你，好吗？
The phone seems to be out of order.
电话好像出故障了。
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。