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 尾;尾巴 The tail of an animal, bird, or fish is the part extending beyond the end of its body.
The cattle were swinging their tails to disperse the flies.
...a black dog with a long tail.
N-COUNT (尤指细长物体的)尾部，末端 You can use tail to refer to the end or back of something, especially something long and thin.
...the horizontal stabilizer bar on the plane's tail...
Elsie tugged her husband's coat tail.
N-PLURAL （男子的）燕尾服，晚礼服 If a man is wearing tails, he is wearing a formal jacket which has two long pieces hanging down at the back.
VERB 跟踪;盯梢;尾随 To tail someone means to follow close behind them and watch where they go and what they do.
Officers had tailed the gang from London during a major undercover inquiry...
He trusted her so little that he had her tailed.
N-COUNT 盯梢者;跟踪者 A tail is someone who is paid to watch and to follow another person.
He checked behind. No tail.
ADV (硬币的)反面 If you toss a coin and it comes down tails, you can see the side of it that does not have a picture of a head on it.
PHRASE 主次颠倒;喧宾夺主 If you say that the tail is wagging the dog, you mean that a small or unimportant part of something is becoming too important and is controlling the whole thing.
Past TV deals have seen the tail wagging the dog. Now football clubs feel they are equal partners with TV.
PHRASE （由于失败或羞愧）夹着尾巴，垂头丧气 If you say that you have your tail between your legs, you are emphasizing that you feel defeated and ashamed.
His team retreated last night with tails tucked firmly between their legs.
PHRASE 掉头逃跑;转身逃走 If you turn tail, you turn and run away.
I turned tail and fled in the direction of the main house.