“下颚窝”用英语怎么说？

The mechanics work hard to keep the helicopters airworthy.机修工努力维持直升机的飞行性能。The airplane is airworthy.这架飞机是适于飞行的.The mechanics work hard to keep the he-licopters airworthy.机修工努力维持直升机的飞行性能。The planes were certified airworth...

“掮客”的拼音为：qián kè...

n.种子，子孙，起源，（尤指网球比赛）种子选手vt.播种，抽出种子选手，除去…之种子，确定（某人）为种子选手vi.结籽，（种子）繁殖...

vt.开玩笑，辱骂，烦扰...

有领圈的，上了轭[项圈]的，（肉）成卷的...

The seeds were not meant for human consumption...这些种子并不是给人吃的。...a tube less than a fifth of the diameter of a human hair.直径不足人的头发直径1/5的电子管Wiener reviewed the history of machine automata segueing into human anatomy.维纳回顾了自...

methylfructofuranoside的音标：methylfructofuranoside的英式发音音标为：[meθɪlfrʌktɒf'rɑ:nəʊzi:]methylfructofuranoside的美式发音音标为：[meθɪlfrʌktɒf'rɑnoʊzi]...

v.（因热力，严寒、干燥、年老等而）枯萎，皱缩( shrivel的第三人称单数 )...

keep的音标：keep的英式发音音标为：[ki:p]keep的美式发音音标为：[kip]...

n.害怕( fear的名词复数 )，可能性，（对神等的）敬畏，忧虑v.畏惧( fear的第三人称单数 )，为…忧虑（或担心、焦虑），敬畏（神等），感到害怕...

reptile的音标：reptile的英式发音音标为：['reptaɪl]reptile的美式发音音标为：['rɛptɪl, -ˌtaɪl]...

vying的近义词/同义词有：rival, competitive。adj.vying的近义词（竞争的）：rival, competitive。...

microsporid的音标：microsporid的英式发音音标为：[maɪk'rɒspɔ:rɪd]microsporid的美式发音音标为：[maɪk'rɒspɔrɪd]...

vie的近义词/同义词有：rival, match, with, compare, compete, match, compare, compete, play, with, rival。vi.vie的近义词（竞争）：rival, match, with, compare, compete。vie的近义词（其他释义）：match, compare, compete, play, with, rival。...

如果冲量为零, 则动量不变.If the impulse is zero, there is no change in momentum.正周相动力冲量的定义可以用类似的式子表示.The positive phase dynamic impulse can be defined by a similar expression.用于碰撞过程的动量定理——冲量定理.The momentum theorem applied to an imp...