- 重点词汇
- butconj.但是;而是;除了;只因为;
- airn.天空;空气;空中;空运;航空;曲调
- watern.水;水域;领海;困境;
- dryadj.干的干燥的，干旱的;干旱的，口渴的;干咳的;无趣味的，枯燥的;
- sean.海（洋）;海面情况;大量;
- notadv. (否定后面的词或短语，或作否定的回答)不;(构成动词be、do和have及情态动词can或must等的否定形式，常缩略为n't)没有;否，或许不;（拒绝或不允许）不
- goodadj. 好的;优质的;符合标准的;可接受的;令人愉快的;令人满意的;合情理的;有说服力的;有充分根据的
- aart. 一（个）;每一（个）;任一（个），用于辅音音素开头的单词前
- 相关例句
Even in an insulator the electrons can move about without leaving their parent atoms or molecules.
甚至在绝缘体内,电子也能不离开它所属的原子或分子而运动.
词典精选例句
In a hot climate the condensation will be on the inner surface of the insulator.
在气候炎热时,凝结水将出现在隔热层的内表面.
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Semiconductors have properties different from those of conductors and insulators.
半导体具有不同于导体和绝缘体的特性.
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In metals all electrons are free, and in insulators they are fixed.
金属里面电子是自由运动的, 但在绝缘体里面是不动的.
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Insulators in reality conduct electricity but, nevertheless, their resistance is very high.
绝缘体实际上也导电, 但其电阻很高.
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Diabetics who must take extra insulin should take care not to overdo it.
需要额外服用胰岛素的糖尿病患者,应该小心,不要服量过多.
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Was the test used to measure insulin sensitivity off by the supplements?
设计该测试是用来测量被维生素补剂抵消掉的胰岛素敏感性 么 ?
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