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
ADJ-GRADED 窄的;细的 Something that is thin is much narrower than it is long.
A thin cable carries the signal to a computer...
James's face was thin, finely boned, and sensitive.
ADJ-GRADED (人、动物)瘦的 A person or animal that is thin has no extra fat on their body .
He was a tall, thin man with grey hair...
He is small and very thin and has pale-white skin.
ADJ-GRADED (纸、布等)薄的 Something such as paper or cloth that is thin is flat and has only a very small distance between its two opposite surfaces.
...a small, blue-bound book printed in fine type on thin paper...
A thin layer of topsoil was swept away.
ADJ-GRADED (液体)稀的，淡的 Liquids that are thin are weak and watery.
The soup was thin and clear, yet mysteriously rich...
They are stirring huge pots of rice and thin vegetable soup over a fire made of charcoal.
ADJ-GRADED (人群、观众)稀少的，稀疏的 A crowd or audience that is thin does not have many people in it.
The crowd, which had been thin for the first half of the race, had now grown considerably.
ADJ-GRADED (微笑)冷淡的，牵强的，不幽默的 A thin smile is one that is not friendly or humorous.
All she could manage was a thin, wan smile.
ADJ-GRADED (衣物)薄的，单薄的 Thin clothes are made from light cloth and are not warm to wear.
Her gown was thin, and she shivered, partly from cold.
ADJ-GRADED (论点、解释)浅薄的，不足信的，说服力差的 If you describe an argument or explanation as thin, you mean that it is weak and difficult to believe.
However, the evidence is thin and, to some extent, ambiguous...
Even if the optimists' theory is true, it still seems a thin argument against reform.
ADJ-GRADED (声音)尖声尖气的，尖细的 A voice or sound that is thin is high-pitched and not very loud.
Her thin voice rose high in complaint.
ADJ-GRADED (头发)稀疏的 If someone's hair is described as thin, they do not have a lot of hair.
She had pale thin yellow hair she pulled back into a bun.
V-ERG (使)变稀疏 When you thin something or when it thins, it becomes less crowded because people or things have been removed from it.
It would have been better to have thinned the trees over several winters rather than all at one time...
By midnight the crowd had thinned.
VERB 使（调味汁或液体）变稀薄;使变淡 To thin a sauce or liquid means to make it weaker and more watery by adding another liquid to it.
It may be necessary to thin the sauce slightly...
Aspirin thins the blood, letting it flow more easily through narrowed blood vessels.
VERB (男子的头发)变稀疏，脱落 If a man's hair is thinning, it has begun to fall out.
His hair is thinning and his skin has lost all hint of youth.
PHRASE (耐心等)消磨掉，耗尽 If someone's patience, for example, is wearing thin, they are beginning to become impatient or angry with someone.
Parliament has not yet begun to combat the deepening economic crisis, and public patience is wearing thin.