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1·Now imagine a pine tree with all those little densely packed needles.

现在（大家）想象一棵布满了密密麻麻的小针叶的松树。

2·A ski trail densely packed with snow.

雪橇，雪橇，我们一起滑雪橇。

3·The brain's neurons are small, convoluted and very densely packed.

大脑的神经细胞微小、复杂其包裹得非常浓密。

4·The more densely packed the fibers and lignin, the stronger the bamboo.

纤维和木质素结合越紧密，竹子就越坚韧。

5·The result is a densely packed, uniform film, ideal for lightweight solar cells.

那就是制造轻量型太阳能电池最理想的密集、均匀覆盖的膜片。

6·In full bloom, plum trees are covered with densely packed, showy flower clusters.

花朵盛开时，李树被艳丽的团团花簇所覆盖。

7·The densely packed lanes, many too narrow for cars, are lined with brick courtyard homes.

这些密密麻麻的小巷，有些窄得开不进车，连接起了一座座四合院。

8·The bright nucleus is home to an older population of stars, which grow ever more densely packed toward the centre.

星云明亮的核心是老一代星体所在，越靠近中心密度越大。

9·As the genetic blueprint of life, DNA must be deciphered or read, even when densely packed into nucleosomes.

DNA作为生命的遗传蓝图，必须被解码或被“阅读”，甚至在被紧密“打包”放进核小体的时候也是如此。

10·The cilia were very densely packed together. Goblet cells covered by microvilli were found in the cilia forests.

纤毛丛生，纤毛丛中杂以被覆微绒毛的杯形细胞，纤毛膜光滑。