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Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

利用聚和磺烷基化方法对落叶松性。

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cerein, Cereline, cerelose, cerement, ceremonial, ceremonialism, ceremonialist, ceremonialize, ceremonially, ceremonious,

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3G, 401(K), a,

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狮子、女巫与魔衣橱

The larches and birches were covered with green, the laburnums with gold.

落叶松白桦树披上了绿装,金链花金光灿灿。

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CNN 10 学生英语 2018年5/6月合集

There are deciduously better options, someone should have a coniference with him so he doesn't get left in the larch.

还有更好的选择,应该有块,这样就不会被留在落叶中。

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《分钟地球》趣味科普(精选双语)

But other species, like maples and birches and larches, combine a less extreme level of sugar in their leaves with the practice of going leafless during the winter to avoid foliar frostbite.

但是其物种,例如枫树,桦树落叶松,则将叶子中糖分的含量降低到了极低的水平,并在冬季采取了不生叶的做法,以避免叶面冻伤。

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cereus, cereviocidin, cerevisia, cerevisiae, cerevisin, cerevisterol, cerexin, cergadolinite, cerhomilite, CERI,

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3G, 401(K), a,
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