jam-up的用法和樣例：
例句
用作名詞 (n.)
- The traffic had been tied up for three hours.
交通阻塞已有三個小時。 - The road is now choked up with vehicles.
那條道路已被車輛阻塞。 - The running and hurdling competitions make up the track events.
徑賽項目有跑步和障礙兩種。 - Older people applying for jobs come up against an age barrier.
年紀大一些的人申請工作遇到年齡障礙。
辭彙搭配
- jam up 篩眼堵塞
