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单词解析
side，旁边、附近，以side结尾的单词我们背了很多个，但是以side开头的单词还是第一个。不过以side开头的单词其实很多，比如：sidelight, sideburns, sidekick, sidelong, sidecar, etc.
line，线、线条，更多以line结尾的单词还有：pipeline, streamline, gasoline, etc.
sideline：
名词，指副业、兼职工作。除了主线，还有的副线。名词，在美式英语中也指运动场上的边线（英式英语中也叫touchline）。动词，使退出比赛只能观看。动词，使靠边儿站、排挤。 学单词，只记住意思可不行，会用才行，小伙伴们可以在评论区造句，我们一起学习哦！我先来：
造句：He works in a bank, but teaches English as a sideline.
The ball fell inside the sideline.
He has been sidelined through injury.
Johnson has been sidelined through injury.
Sideline的英文解释：
an activity that you do as well as your main jobmainly US (UK usually touchline) a line that shows the position of the side of an area where a sport is playedIf a sports player is sidelined they are prevented from playing or competing, and can only watch.to stop someone taking an active and important part in something
扩展阅读：
streamline怎么记
pipeline什么意思
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