自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT （绳等形成的）圈，环 A loop is a curved or circular shape in something long, for example in a piece of string.
Mrs. Morrell reached for a loop of garden hose.
VERB 把（绳等）打成圈（或环） If you loop something such as a piece of rope around an object, you tie a length of it in a loop around the object, for example in order to fasten it to the object.
He looped the rope over the wood...
He wore the watch and chain looped round his neck like a medallion.
VERB 打环；成圈 If something loops somewhere, it goes there in a circular direction that makes the shape of a loop.
The enemy was looping around the south side...
The helicopter took off and headed north. Then it looped west, heading for the hills.
PHRASE 属于/不属于圈内人士 If someone is in the loop, they are part of a group of people who make decisions about important things, or they know about these decisions. If they are out of the loop, they do not make or know about important decisions.
I think that the vice president was in the loop...
These activists don't want to feel out of the loop.