hula hoop

基本解释

These are hula-hoop-shaped double-stranded units of DNA that can be moved easily from one cell to another.
它們是形似呼拉圈的雙股DNA單位，可以被輕易地從一個細胞轉移到另一個細胞。
Other activities included a bicycle parade, "hula-hoop" twirls and a brief swim in Copenhagen's famous harbor.
此外，聖誕老人們還將蓡加自行車遊行、轉呼啦圈和在哥本哈根著名港口短距離遊泳等活動。
Ringworld. Larry Niven. A space expedition crashes onto an artificial pla- shaped like a giant hula hoop 190 million miles in diameter.
一支星際遠征隊迫降到一個直逕1.9億英裡形如呼啦圈的人造行星上。
xiaozhuanke.com

At one of the reception desks, a pretty, cleavage-baring brunette named Heaven challenged him to a hula-hoop contest.
NEWYORKER: Happy Feet
The line to get in snaked around the block, and a hula-hoop troop kept the crowd outside amused.
FORBES
The risk is that, unless their strictures lead to action, the monitors' job will seem pointless—and go the way of the crossing-sweeper, typewriter designer and hula-hoop maker.
ECONOMIST: Monitored polls, ignored reports