- 推荐网络例句
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One of the most difficult pa...
在英语学习中最困难的一部分就是词汇的学习。
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Gold nanoparticles had been synthesized under the low-acid or the near neutral condition by chemical reductant in the high concentration of chloroauric acid solution.
在弱酸性或近中性条件下，用化学还原剂还原较高浓度的氯金酸溶液，制得纳米金种子溶液，然后用晶种法制备金溶胶。
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A toe falls off and lies like the tip of a rose thorn on her palm.
一个脚趾头掉了下来，落在她掌中就好像一个玫瑰刺头。
Don't
stop moving...