[体] bye ；

[例句] 中国谢军今天轮空. Chinese Jun Xie lost today.

diabolo，the devil on two sticks ；

in the sky，overhead，midair，high up in the air ；

[例句] 他谈话时，一架军用喷气式飞机在镇子上空呼啸而过。 As he talked, an airforce jet screamed over the town.

[例句] 树林上空飘浮着一股烟。 There was a drift of smoke above the trees.

aloft ；

[例句] 我们看到3只鸟在高空盘旋。 We saw three birds circling very high up.

[例句] 秃鹰在高空翱翔。 Buzzards soar overhead at a great height.

aerial，[机] overhead ；

[例句] 海鸥盘旋在驳船上方，展开空中的搏斗。 The seagulls swirled in aerial combat over the barges.

[例句] 那个城市决定取消架在空中的电线. That city has decided to do away with overhead wires.

blank，lip-deep，vacant，white ；

[例句] 我把表格填错了。再给我一张空白的，可以吗？ I'v filled in this form incorrectly.Can I have another blank?

[例句] 她要在这空白的墙上播下一颗种子. She would plant one seed in the blank wall.

cavern，cavern out，hollow，scoop，excavate ；

[例句] 然后在南瓜上刻出一张脸,并把瓜挖空. Then they cut faces in the pumpkins and put lights inside.

[例句] “ 货是挖空了! " Our merchandise has been cleaned out!

empty ；

[例句] 蓄水池的水渐渐流空了. The tank gradually emptied.

[例句] 这种黏液要好一会儿才能流空. This sticky liquid empties slowly.

extensity ；

[例句] 这种波动的特点是空间性和瞬时性的. Fluctuations are spatial and temporal in character.

[例句] 交通网络具有极强的空间性与时序性. Traffic network has strong extensity and Continuation.

vacant ；

[例句] 空缺的世界拳击理事会次轻量级头衔被取消了。 The vacant W.B.C. junior-lightweight title has been called off.

[例句] 露西是秘书这个空缺的最佳人选. Lucy is the best person to fill this secretary vacancy.

feeling of unreality ；

[例句] 之后对生活产生的影响可能会是空虚感和沮丧感。 The result later in life may be feelings of emptiness and depression.

[例句] 巨大的空虚感汹涌袭来。 The sense of space and emptiness is overwhelming.

all-time，record-breaking，[经] unprecedented，unheard-of，unparalleled ；

[例句] 学校开除了数量空前的难以管教的小学生。 Schools are booting out record numbers of unruly pupils.

[例句] 空前的成功纪录 an unequalled record of success

[医]vacant ；

[例句] 这间房子是空着的. This room is disengaged.

[例句] 我看不出来怎样才能把那些空着的公寓脱手. I don't see how you can even give away those empty condominiums.

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[例句] 旅店能够在短短的 三十六分 针内全部撤空 吗 ? Could the hotel be effectively cleared in an all - too - inadequate thirty - six minutes ?

[例句] 由于洪水这个村子已经撤空. The village was evacuated because of flood.

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[例句] 关键就在于,在运气袋变空之前,请把经验袋装得满满的! The trick is to fill the bag of experience before you empty the bag of luck.

[例句] 关键就在于,在运气袋变空之前,请把经验袋装得满满地! The trick is to the bag of experience before you empty the bag of luck.

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[例句] 警方的直升机在上空盘旋，照亮了整片地区。 A police helicopter hovered above, floodlighting the area.

[例句] 海鸥在上空盘旋. The seagulls circled overhead.

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[例句] 这个城市空前地繁荣兴旺起来,被誉为 “ 沙漠中的明珠 ”. Acclaimed as a " pearl in the desert ", the city is thriving as never before.

[例句] 金 、 银和珐琅装饰品都制造得空前地璀璨夺目. Gold, silver, and enamelled work were done with an unprecedented brilliance.

lift-off，levitation，blastoff ；

mattress ；

[例句] 阀盘结构为空气垫型膜式阀盘. The valve plate is made of air gasket type valve plate.

[例句] 野营的饭食不是大问题,床也不是. 多亏了空气垫和睡袋. Camp meals are no great problem. Neither are beds, thanks to air mattresses and sleeping bags.

air brick，[机] nollow brick ；