helium
美音:[´hi:lıəm
]
英音:[´hi:lıəm
]
n.氦(化学元素,符号为He)
难易程度:
helium为短语/超纲词汇
词形变化:
简写符号:He
词根
helio＝sun（太阳）
helium
/'hi:lɪəm; `hilɪəm/
n [U] chemical element, a light colourless gas that does not burn, used in airships 氦. =>App
10 见附录10.
n [U] chemical element, a light colourless gas that does not burn, used in airships 氦. =>App
10 见附录10.
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