俚语railroad tracks的意思解释和用法例句

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railroad tracks

用作名词的意思:(美国俚语)

1.[陆军用语](陆军上尉佩戴的、表示官阶的)两条银杠

用法及例句:
There’s a pair of railroad tracks on his shoulder-straps.It means he is a captain.他的肩章上有两条银杠,这就表明他是一名陆军上尉。

2. (手臂静脉上的) 一排针头注射疤痕

用法及例句:
Look at those railmad tracks on his arms.That means he shoots drugs.瞧他手臂一排排针头的疤痕。那说明他注射毒品。

3.畸齿矫正钢丝架

用法及例句:
The thirteen-year-old girl had railroad tracks on her teeth.这 13 岁女孩的牙齿上套有畸齿矫正架。

英汉词典参考:  railroad  tracks

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