hydrogen的复数形式怎么写？

General targets have hydrogen peroxide, sodium hypochlorite, potassium permanganate, and so on.一般的氧化剂有过氧化氢 、 次氯酸钠 、 高锰酸钾等.Hydrogen is a corlourless, odourless gas.氢气是一种无色 、 无味的气体.Producing the hydrogen fuel uses the harm...

n.氢...

Hydrogen is used extensively in industry for the production of ammonia.氢气在工业上广泛用于制氨。He mobilized public opinion all over the world against hydrogen-bomb tests.他动员全世界的舆论反对氢弹试验。Carbon, hydrogen and oxygen combine chemicall...

hydrogen的音标：hydrogen的英式发音音标为：['haɪdrədʒən]hydrogen的美式发音音标为：['haɪdrədʒən]...

“透露”的反义词：封锁, 隐藏, 隐瞒。...

essentialized的音标：...

Ride south from a main secondary combination of the three quadrangles.由坐北朝南一主二次的三个四合院组合而成....

行经的...

Please put me out of my misery. How do you do it?别让我着急了。你是怎样做的？" Why, " he said, actually stammering, " how do you do? "“ 哎呀, " 他说, 真的有些结结巴巴, " 你好 啊 ? ”How do you do! I'll show you to your room. Follow me.你好! 我带你去你的...

size的音标：size的英式发音音标为：[saɪz]size的美式发音音标为：[saɪz]...

Between these ocean - filled valleys, there are wooden peninsulas and islands.海水灌满的山谷中间, 有许多树木葱茏的半岛和岛屿....erosion of the river valleys.河谷的侵蚀Glaciers gouged out valleys from the hills.冰川把丘陵地带冲出一条条山谷.Farmers worked the fer...

outgoing的近义词/同义词有：leaving, departing, outbound, unreserved, extroverted, affable, convivial, gregarious, congenial, companionable, sociable, amiable, friendly, airing, ride, trek, tramp, jaunt, hike, peregrination, junke...

card的音标：card的英式发音音标为：[kɑ:d]card的美式发音音标为：[kɑrd]...

chaffers的音标：...

A turtle in a jar is certainly caught within the reach.瓮中之鳖,手到拿来.She opened up a glass jar of plums.她打开了装满梅子的玻璃罐。I can't unscrew the lid of this jar.这个瓶盖儿我拧不开。Experiment materials: jar , windpipe, limewater, flume a...

n.造血作用，生血...

conclude的音标：conclude的英式发音音标为：[kən'klu:d]conclude的美式发音音标为：[kən'klud]...

“卡住”的拼音为：kǎ zhù...

I examined the puffy skin under my eyes.我仔细查看自己浮肿的眼袋。Classical economics also examined microeconomic problems.古典经济学也研究微观经济的问题.The police emptied her bag and examined the contents.警察倒出她包中的东西检查。Bass examined the quality of...