slacken的一般过去时为：slackened...

hypergalactosis的音标：hypergalactosis的英式发音音标为：[haɪpəɡəlæk'təʊsɪs]hypergalactosis的美式发音音标为：[haɪpəɡəlæk'toʊsɪs]...

n.敲诈者，勒索者...

diethylacetaldehyde的音标：diethylacetaldehyde的英式发音音标为：[dɪəθɪleɪsɪ'tɔ:ldɪhaɪd]diethylacetaldehyde的美式发音音标为：[dɪrθɪleɪsɪ'tɔldɪhaɪd]...

hepatomalacia的音标：hepatomalacia的英式发音音标为：[hɪpɑ:tɒmə'leɪʃə]hepatomalacia的美式发音音标为：[hɪpɑtɒmə'leɪʃə]...

He'd seen the proof in black and white.他已经看过书面证据。The wallpaper comes in black and white only.这种墙纸只有黑白的。She saw things in black and white.她总是用简单绝对的眼光看待事物。...

black的第三人称单数（三单）为：blacks...

v.以棒打，胁迫（blackjack的第三人称单数形式）...

n.漆( lacquer的名词复数 )，（固定发型的）发蜡，定型剂...

blacken的现在进行时为：blackening...

ambulacra的音标：ambulacra的英式发音音标为：[æmbjʊ'leɪkrə]ambulacra的美式发音音标为：[æmbjʊ'leɪkrə]...

slack的一般过去时为：slacked...

Two series of carbonate rocks and argillaceous rocks with similar maturity are confected.配制了两套成熟度相近的碳酸盐岩和泥质岩丰度系列样品....

Blackland element with fertility taller and celebrated, but come for years its fertility drops apparently.黑土素以肥力较高而著称, 但多年来其地力明显下降....

胶质素...

n.催泪物质（如催泪瓦斯）...

black sheep的音标：black sheep的英式发音音标为：[blæk ʃi:p]black sheep的美式发音音标为：[blæk ʃip]...

blacklung的音标：blacklung的英式发音音标为：[blæk'lʌŋ]blacklung的美式发音音标为：[blæk'lʌŋ]...

乳酸菌素...

vt.缺乏，缺少，需要的东西n.缺乏，不足，没有，缺少的东西...

血乳酸过多...

n.双扁囊胚幼虫...

diethylacetonitrile的音标：diethylacetonitrile的英式发音音标为：[dɪəθɪ'leɪstəni:traɪl]diethylacetonitrile的美式发音音标为：[dɪrθɪ'leɪstənitraɪl]...

n.黑头粉刺( blackhead的名词复数 )...

All shades of mauve, lilac, lavender and purple were fashionable.深深浅浅的各种木槿色、丁香色、熏衣草色和紫色都是流行色。Her hair smelt of lilac.她的头发散发出丁香花的香味。The air was filled with the scent of lilac.空气中弥漫着丁香花的芬芳....

n.半乳糖胺，氨基半乳糖，软骨糖胺...

白纸黑字...

blackjack的第三人称单数（三单）为：blackjacks...

replace的现在进行时为：replacing...

During the Pleistocene Ice Age , the ancient drainage systems were almost completely rearranged by glaciation.在更新世冰期, 古水系常被冰川作用完全改造.Agassiz recognized marks of glaciation all over northern Europe.阿加西斯发现了整个北欧的冰川标志.The Neo...