1. On polarized epithelia, Hp is able to grow directly on the apical cell surface in conditions that do not support the growth of free-swimming bacteria.
在极化的上皮上，在不支持自由游走细菌生长的情况下，Hp可以在顶端细胞上直接生长。
2. free-swimming什么意思
2. Any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle.
各种通常是自由游动的海生腔肠动物，其凝胶状水母阶段是其生命周期中的主要阶段。
3. Any of numerous usually free-swimming marine coelenterates of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusoid stage as the dominant phase of its life cycle.
水母，海蜇大量的、经常自由游动的真水母类腔肠动物，胶质的、带有触须的、常为钟形的类水母体阶段是其生命循环中的主要形式
4.
4. Jellyfish Any of numerous usually free-swimming marine coelenterates of the class Scyphozoa, characteristically having a gelatinous, tentacled, often bell-shaped medusoid stage as the dominant phase of its life cycle.
水母，海蜇：大量的、经常自由游动的真水母类腔肠动物，胶质的、带有触须的、常为钟形的类水母体阶段是其生命循环中的主要形式
5. Jellyfish are free-swimming members of the phylum Cnidaria. They are found in every ocean, from the surface to the deep sea.
水母是刺丝胞动物门的一员，它们的足迹遍布每一个海洋，无论是在海面还是深海区，我们都能看到它们的身影。
6. Any of various marine invertebrates of the class Crinoidea, such as the sea lilies and feather stars, that are attached to a surface by a stalk when young but may be free-swimming as adults.
海羊齿一种海百合类海洋生无脊椎动物，如带柄海百合及毛头星，幼年时漂浮，成年时可自由游动。
7. Free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms.
自由飘浮的无柄海百合，有十只羽状的手臂；多见于多泥的海底。
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8. Unicellular or colonial biflagellate free-swimming flagellates.
自由泳的单细胞或群居双鞭毛藻。
9. Small class of free-swimming tunicates; sometimes classified as an order.
一个小的会自由泳的被囊类动物纲；有时被归为一个目。
10. The free-swimming first stage of the larva of certain crustaceans, having an unsegmented body with three pairs of appendages and a single''''.''median''.''''''''.
无节幼体某种甲壳类动物的幼虫的能自由游泳的第一期，有一未断节的身体，三对附肢和一只中''''。
11. The free-swimming first stage of the larva of certain crustaceans, having an unsegmented body with three pairs of appendages and a single median eye.
无节幼体某种甲壳类动物的幼虫的能自由游泳的第一期，有一未断节的身体，三对附肢和一只中眼
12. Minute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimming; important in some food chains and as intermediate hosts of parasitic worms that affect man e. g.
微小的自由游动的淡水桡足动物，中眼大，有梨形身体和用于游泳的长触角；在某些食物链中重要，~下转例子部分。
13. Any of various free-swimming marine mollusks of the family Pectinidae, having fan-shaped bivalve shells with a radiating fluted pattern.
任一种扇贝科海洋软体动物，能自由游动，生有辐射状扇状双壳。
14. Marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces. small freshwater crustaceans with a shield-shaped carapace.
海生甲壳动物，有羽毛状捕食的附肢；幼体独立游水；成体形成硬壳附着生活于水下。小型淡水甲壳动物，长有盾牌状甲壳。
15. 公共查询·英语单词大全
15. A new worm-reactor, consisting of free-swimming and sessile worm growing sections, was developed to be habitat for worm stable growth.
考察了一种新型寡毛类蠕虫反应器（由游离型蠕虫生长区和附着型蠕虫生长区组成）处理排放剩余污泥的效果。
16. One of two forms that coelenterates take: is the free-swimming sexual stage in the life cycle of a coelenterate and has a gelatinous umbrella-shaped body and tentacles.
两种腔肠动物形式之一：腔肠动物生命周期中自由游动的有性阶段和凝胶质伞状身体及触须。
17. Free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord.
自由游动的海鞘类幼体；它们有含有脊索的蝌蚪形尾巴。
18. In some trilobites, such as the free-swimming pelagic trilobite Opipeuter, the eyes were so large that they dominated the cephalon, providing a 360 degree visual field. Specialized forms, such as Agnostus, seem to have been entirely blind.
一些三叶虫，如自由游泳的远洋三叶虫Opipeuter，有着很大的首头甲控制的眼睛，它有着360度的广阔视野。
19. free-swimming是什么意思
19. This includes both free-swimming and crawling vehicles operating in the surf zone.
这包括两者自由-游动和爬行运载器在碎浪带中操作。
20. Any of numerous usually marine and free-swimming coelenterates that constitute the sexually reproductive forms of hydrozoans and scyphozoans.
大量的、经常在海中自由游动的腔肠动物，它们组成水螅和钵水母的两性繁殖的形式。