speed bump
柯林斯詞典
1. N-COUNT A speed bump is something that stops a person or thing from progressing. 制約(人或事)發(fā)展的障礙
It was little more than a speed bump – a minor distraction during my day. 那只不過是個小挫折——我一天中無足輕重的小煩惱。
2. N-COUNT A speed bump is a raised part in a road that is designed to make the traffic travel more slowly. (橫置馬路上用于防止車輛行駛過快的)路面減速裝置
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