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Helicopters are now used in some cases to get people out of burning buildings.
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现在，人们有时还用直升机营救起火大楼中的被困人员。 |
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Helicopters can't fly; they're just so ugly the earth repels them.
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直升机不能飞的，只是它们太丑了，连地球也排斥它们。 |
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Helicopters can\'t fly; they\'re just so ugly the earth repels them.
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直升机其实是不能飞的，只是它们太丑了，连地球也排斥它们。 |
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Helicopters can\'t fly\; they\'re just so ugly the earth repels them.
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直升机是不可能飞的。但是它们实在太丑了，连地球也排斥它们，所以可以升空。 |
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Helicopters from a carrier could provide support to potential amphibious operations; fixed-wing aircraft operating from a carrier could provide greater air defense over a potential beachhead.
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承运人可以提供直升机支援两栖作战潜力;固定翼飞机从承运人可以提供更大的防空超过潜在滩头. |
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Heliocentric Jupiter is 20 degrees 35' Gemini, which means that the price of 8729 was at this degree. Heliocentric Uranus is 21 degrees 52' Cancer and the price at 21 degrees Capricorn is opposite to this.
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围绕太阳的木星对着双子座的20度35分，这意味着8729的价格是在这个度数上。围绕太阳的天王星对着巨蟹座的21度52分并且价格是在摩蝎座21度对冲的位置上。 |
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Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.
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向日性：趋光性的一种类型，植物的花在一天内朝向太阳，并随着日光照射的方向而转移方位。 |
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Helium and neon are inert gases.
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氦和氖为惰性气体。 |
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Helium is the lightest of all gases except hydrogen. It is more than seven times as light as air.
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除了氢，氦是所有气体中最轻的。它的重量不到空气的七分之一。 |
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Helium is typically withdrawn as a liquid but may be withdrawn as a gas at low flow rates and pressure.
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氦主要作为液体提取出来，但也可以在低流速和压力下作为气体提取出来。 |
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Helix angle30°2Flutes,3Flutes,4Flutes are mainly used in the processing ordinary materials and middle-high hardness steels.
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螺旋角45°至50°二刃、三刃、四刃以适用于加工中硬度钢铁、不锈钢、钛合金、镍合金等高硬度材料的高速切削，效果更佳。 |
