| 释义 | 
             
                useful space
                
            usefulnessn. 有用,有益,有效suspensefuladj. 悬疑的,令人紧张的peacefulnessn. 平静,宁静;平和spaceflightn. 航天;宇宙飞行
 有帮手的yǒu bāng shǒu de 
 useful中用zhōng yòng 
 useful公共绿地gōng gòng lǜ dì 
 public green space; public lawn房屋面积fáng wū miàn jī 
 floor space颞间隙niè jiān xì 
 temporal space筘幅kòu fú 
 reed space; reed width两倍行距liǎng bèi háng jù 
 double space髓腔suǐ qiāng 
 medullary space; cavum medullare成材chéng cái 
 become a useful person成器chéng qì 
 become a useful person益虫yì chóng 
 beneficial insect; useful insects顶事dǐng shì 
 be useful, serve the purpose外层空间wài céng kōng jiān 
 deep space, outer space航天器háng tiān qì 
 spacecraft; space vehicle; astrovehicle; space ship; areospacecraft有限维向量空间yǒu xiàn wéi xiàng liàng kōng jiān 
 finite dimensional vector space腘窝guó wō 
 popliteal space建坪jiàn píng 
 floor space留间隔liú jiān gé 
 spacing排字法pái zì fǎ 
 spacing疏密shū mì 
 density, spacing余地yú dì 
 room, space宇航yǔ háng 
 space navigation使用寿命shǐ yòng shòu mìng 
 service life; useful life; working life有用的yǒu yòng de 
 usable, useful, helpful, available, expedient, serviceable, subservient场chǎng 
 field; open space; courtyard
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