用u.y.d.s.t 这5个字母组成一个单词

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study名词 n.1.学习;研究;调查[U][P1]
The plan is under study.
那个计划正在研究中.
He has made great progress in his English studies.
他在学习英文方面进步很多.
2.研究论文,专题论文[C]
She wrote a study of Shakespeare.
她写了一篇有关莎士比亚的论文.
3.学科;学问[C]
Bioengineering is a new study.
生物工程学是一门新的学问.
4.课题,研究对象[C]
5.书房[C]
Mr.Smith is reading in his study.
史密斯先生在书房内看书.
6.【画】习作;试画[C]
7.【音】练习曲[C]
及物动词 vt.
1.学习;研究
For a year he studied Chinese with me.
他跟我学了一年中文.
2.细看,细察
I studied him closely.
我仔细地看了看他.
3.仔细考虑
We need time to study a suitable answer.
我们需要时间去考虑一个适当的答复.
They studied the question carefully before they made the decision.
他们认真研究了这一问题,然后才作出决定.
不及物动词 vi.
1.学习,用功
My daughter often studies late into the night.
我女儿常常读书到深夜.
2.努力======以下答案可供参考======
供参考答案1:
dusty 形容词满身尘埃粉末状的昏黑供参考答案2:
study学习，研究
供参考答案3:
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