His part in the affair was quite open and aboveboard.他参与这件事完全是正大光明的.I think everything ought to be aboveboard.我觉得什么事情都应当开诚布公.His business dealings were aboveboard.他的生意来往是光明正大的....

碳酸化器...

A few moments later they were airborne and winging their way south.过了一会儿，他们已然搭上飞机赶往南方了。The pilot did manage to get airborne.飞行员的确设法使飞机升空了。Many people are allergic to airborne pollutants such as pollen.许多人对空气传播的污染物过敏，比如花粉...

n.空竹，响铃，抖空竹...

metabolizing的音标：...

前行李箱...

carboxylase的音标：carboxylase的英式发音音标为：[kɑ:'bɒksɪleɪs]carboxylase的美式发音音标为：[kɑ'bɒksəˌleɪs]...

about的音标：about的英式发音音标为：[ə'baʊt]about的美式发音音标为：[ə'baʊt]...

adj.吃力的...

n.酒窖，酒店( bodega的名词复数 )...

have a bone to pick with的音标：have a bone to pick with的英式发音音标为：[hæv ə bəun tu: pik wið]have a bone to pick with的美式发音音标为：[hæv e bon tu pɪk wɪð]...

n.系主帆的帆角的圆木...

boatage的音标：boatage的英式发音音标为：['bəʊteɪdʒ]boatage的美式发音音标为：['boʊteɪdʒ]...

vt.使发生新陈代谢...

carboxy的音标：carboxy的英式发音音标为：['kɑ:bɒksɪ]carboxy的美式发音音标为：['kɑbɒksɪ]...

Balboa made up his mind to go at once in search of that sea.巴尔波亚决意立即去寻找那大海.Rocky Balboa has knocked the reigning heavyweight champion down!洛奇巴尔博将不败拳王迪克逊击倒!Balboa, Soldado, Drenthe and Salgado have been left out for coach...

handbook的近义词/同义词有：chart, directory, guide, map, atlas, booklet, primer, travel, manual, tourist, pocket, guide-book, catalogue, plan。n.handbook的近义词（手册,指南）：chart, directory, guide, map, atlas, booklet, primer, travel, man...

The doughboy was a predecessor of the doughnut.油炸面团是甜甜圈的前身....

borrow的第三人称单数（三单）为：borrows...

They have both behaved very badly and I am very hurt.他们俩都很不友善，让我非常难过。Featured are both his classics and his latest creations.他的经典作品和最新创作都很独特。The degree provides a thorough grounding in both mathematics and statistics.该学位...

We try to boost our energy by eating.我们试图通过吃东西来增强体力。Get your body moving to boost energy, stay supple and shake off winter lethargy...锻炼身体以增加活力，保持柔韧性，甩掉冬日的慵懒。Give me a boost over the fence.托我一把, 帮我越过篱笆。We must develop fa...

He imported wine by the boatload.他进口了一船的酒....

bo的音标：...

n.寄宿生( boarder的名词复数 )，寄宿者，登船（或飞机等）的人，被派强登敌船者...

about的近义词/同义词有：concerning, upon, virtually, approximately, nearly, practically, almost, around, of, to, the, on, point, ready, on, over, approximately, concerning, of, the, point, nearly, almost, upon, around。prep.about的...

There was considerable scepticism about the Chancellor's forecast of a booming economy.有相当多的人对财政大臣作出的经济会迅猛发展的预测表示怀疑。He was falsely jovial, with his booming, mirthless laugh.他低声苦笑了几声，装出快乐的样子。Business is booming.生意蒸蒸日...

bounce的音标：bounce的英式发音音标为：[baʊns]bounce的美式发音音标为：[baʊns]...

Consonants are frequently assimilated to neighboring consonants.辅音往往被其邻近的辅音同化.An axial electron pair meets at right angles with 3 neighboring pairs.轴向电子对与三个相邻的电子对相交成直角.The president is paying a private visit to his neigh...

n.旅行指南...

He was falsely jovial, with his booming, mirthless laugh.他低声苦笑了几声，装出快乐的样子。Business is booming and foreigners are scrambling to invest.商业繁荣，外国人争相投资。There was considerable scepticism about the Chancellor's forecast of...