试验初期参与计划人员打算使用氢气球,后来考虑到氦气(He)比较安全,氦气(He)是惰性气体,无毒.化学性质不活泼,相对而言安全可靠,所以最后选定了用氦气充装的气球进行试验。
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...。 产品经理眼中的生命进化论居然是这样的, 正统自然知识告诉我们:在地球大爆炸之后,地球就有了H和O,然后就开成了H2O,形成了生命的必备物质。 1、氦(HE)是惰性气体,自成一派很难跟别的元素发生反应[失败] 第三大事件:规则交互。
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...型组,观察造模4周和8周后心肌肥厚[左心室重量指数(left ventrieular mass index,LVMI)、左心室心肌病理形态苏木精-伊红(HE)染色、左心室心肌细胞超微结构]和心肌纤维化(左心室心肌病理形态胶原染色、左心室心肌间质超微结构)指标的改变。
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He should 他该
Angel He 何洁 ; 其它外文名
he counter 氦计数器
he can 他可以 ; 踢足球 ; 他不可能在家
Eric He 何震宇
He reluctantly 无奈何
Qing He 割青禾 ; 何晴
Zhengjun He 何政军
shen he 小沈阳
同义词: helium atomic number 2
以上来源于: WordNet
PRON-SING You use he to refer to a man, boy, or male animal. 他
He could never quite remember all our names.
他绝不可能完全记住我们所有人的名字。
PRON-SING In written English, he is sometimes used to refer to a person without saying whether that person is a man or a woman. Some people dislike this use and prefer to use "he or she" or "they." 一个人 (they)(”)
The teacher should encourage the child to proceed as far as he can, and when he is stuck, ask for help.
老师应当鼓励孩子尽可能独立思考,自己想不出来了,再寻求帮助。
N a male person or animal 男人; 雄性动物
N (in combination) 表示“男···”或“雄···”
he-goat
N the fifth letter of the Hebrew alphabet (ה), transliterated as h 希伯来字母表中第5个字母,译为英文字母中的h
INTERJ an expression of amusement or derision 嘻(表示感兴趣或嘲笑等) (Also he-he!, hee-hee!)
He had been feeding it milk from a donkey, and he believed he could raise the baby just fine.
VOA: special.2009.06.06
But it's also interesting that he says he trusted that traditional living voice more than he trusted written documents.
同样有意思的是,他说自己更相信,口述传统而不是文献。
He had the feeling that everything he saw was a broken-off piece of some giant blank thing he had forgotten had happened to him.
他有种感觉,觉得他看见的一切都是之前发生过的,他已经忘记的,某件大而无用的事掉落的碎片。
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