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!)
Let's draw the molecular diagram for h e 2 now.
让我们画一下He2的分子图。
Others such as H-E-B in Texas and Wegmans in the north-east have respectable market shares within their regions.
诸如德州H-E-B和东北部的Wegmans等其它公司在当地拥有可观的市场份额。
Statement by H. E. Ambassador Zhang Jun, Head of the Chinese Delegation at the Fifteenth Session of the Conference of the States Parties to the Chemical Weapons convention.
中国代表团团长张军大使在《禁止化学武器公约》第15届缔约国大会一般性辩论中的发言。
The letters H-E-P-A represent the words High Efficiency Particulate Air.
VOA: special.2009.07.14
And there's actually a way that we can make predictions here, and what I'll tell you is molecular orbital theory predicts that h e 2 does not exist because it's not stabilized in terms of forming the molecule.
其实我们有一种办法可以做出预测,我要告诉你们的是分子轨道,理论预测He2不存在,因为它形成分子不稳定。
So our bond order for h e 2 is going to be equal to 0.
所以He2的键序等于0。
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