1. Francium is the densest of the Alkali Metals and also radioactive.
   钫是碱金属中密度最大的,具有放射性。
2. The general ambushed his troops in the dense woods.
   将军把部队埋伏在浓密的树林里。
3. The danger of shipwreck is much greater in dense fog.
   在浓雾中船只失事的危险要大得多。
4. A dense helicoid cyme with the pedicels short on the developed side.
   蝎尾状聚伞花序 Cincinnus 密集的螺旋状聚伞花序，花梗在花序发育一侧渐短。
5. Dyewood is a dense Indian hardwood.
   染料木是一种硬质印度产硬木。
6. These plants quickly form dense clumps.
   这些植物很快形成了浓密的树丛。
7. Plant chimneys belch out dense smoke.
   工厂的烟囱冒出滚滚浓烟。
8. Rain rarely falls on the Atacama's coastline, but dense fog known as camanchaca is abundant.
   阿塔卡马沿海地区降雨极少，但是经常出现大量浓雾，也叫做浓湿雾。
9. The landscape varies from endless sunbaked horizons to dense tropical rainforest to chilly southern beaches.
   景观多变，从无一望无尽视野到稠密的热带雨林到寒冷的南部海滩。
10. A dense fog lay around.
    周围浓雾密布。
11. We entered a dense forest.
    我们进入一片浓密的森林。
12. Forests are important habitats for birds and, in temperate forests, small mammals which inhabit the dense understorey.
    森林对鸟类来说是重要的栖息地，而且在温带森林里，小型的哺乳动物居住在稠密的森林下层。
13. The brilliance of truth cannot be dimmed;the eyesight of the mountain eagle cannot be blocked by dense fog.
    真理的光辉不怕笼罩,山鹰的眼睛不怕密雾。
14. 23. eryngo:any of several pls of the genus Eryngium having spiny leaves and dense clusters of small bluish flowers.
    "甜海冬根:刺芹属的几种植物,尤指海滨刺芹,具有刺状树叶和稠密簇生的浅蓝色小花."
15. Quillworts are heterosporous, mainly aquatic perennials, with a dense rosette of tubular quill-like leaves arising from a short, stout rootstock.
    水韭目的植物具有异型孢子，是多年水生植物。其管状条形叶密集簇生于粗短的根茎之上。
16. Histologically, MGA consists small round glands with open lumens, distributed mostly randomly in a hypocellular dense collagenous or fatty stroma.
    MGA由小而圆的腺体组成，腺腔开放，大多数随机分布于少细胞的致密胶原化间质或脂肪中。
17. And the dense proteinous particles synthesized by these free ribosomes could be accumulated and developed directly in ooplasm into yolk granules without membranes.
    游离型核糖体率先参与内源性卵黄合成形成无膜卵黄粒。
18. The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.
    花粉壁的外壁分为外层和内层，外层包括覆盖层、基粒棒和基足层等三层，内层只包含一层。
19. As our nebula began to collapse under its own gravity and spin faster, a dense clump of matter formed in the center. It's called a protostar.
    当我们的星云在自身重力作用下崩溃和更加快速地旋转时，星云中心形成了密集的物质块。这叫做原恒星。
20. The silica-phellem block and stomate tubercle on 3rd leaf are underdeveloped, the tubercle of stomate block is small and dense in japonica, big and sparse in O.
    发现了三叶期第三叶片的硅化-木栓细胞带和气孔器乳突发育不完全的现象。

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