tail
[ADV, NOUN, VERB]
1. （硬币）反面朝上地
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.
双语例句
例：'Heads or tails?'
“正面还是反面？”
例：The captain called heads as usual – and the coin came down tails.
队长像以往一样猜了正面—可硬币反面朝上落了下来。
ADV. 副词
tails
1. [C 可数名词] 尾巴
The tail of an animal, bird, or fish is the part extending beyond the end of its body.
双语例句
例：a black dog with a long tail.
一只长尾巴的黑狗。
例：The cattle were swinging their tails to disperse the flies.
牛摇动尾巴驱赶蚊蝇。
2. [C 可数名词] （尤指细长物体的）尾部
You can use tail to refer to the end or back of something, especially something long and thin.
双语例句
例：the horizontal stabilizer bar on the plane's tail.
飞机尾部的水平平衡杆。
3. [PL 复数] 燕尾服
If a man is wearing tails, he is wearing a formal jacket which has two long pieces hanging down at the back.
双语例句
例：men in tails and women in party dresses.
穿燕尾服的男士和穿宴会礼服的女士。
NOUN. 名词
tail off
1. [PHRASAL 短语] 逐渐减少
When something tails off, it gradually becomes less in amount or value, often before coming to an end completely.
近义词
wear off , abate
反义词
双语例句
例：Last year, economic growth tailed off to below four per cent.
去年，经济增长率逐渐降到了4以下。
例：The drug's effect does not tail off after it has been used repeatedly.
该药反复使用之后，药效不会消退。
PHRASAL VERB. 短语动词
tails , tailing , tailed
1. [T 及物动词] 跟踪
To tail someone means to follow close behind them and watch where they go and what they do.
近义词
双语例句
例：Officers had tailed the gang during a major undercover operation.
警方在一次重大的秘密行动中跟踪过这个团伙。
VERB. 动词
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