free-swimming

1. 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。
2. Small free-swimming tunicates; sometimes classified as an order.
   小的自由游动的被囊动物；有时作为一个目。
3. 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。
4. 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。
5. 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。
6. A free-swimming leak detection system for large diameter water transmission pipeline
   大口径输水管道自由浮游式检漏系统
7. 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。
8. 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。
9. 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。
10. Unicellular or colonial biflagellate free-swimming flagellates.
    自由泳的单细胞或群居双鞭毛藻。
11. The density of attached ciliates accounted for 42.7% of the total ciliates density, while crawling ciliates for 31.7%, carnivorous ciliates for 21.2% and free-swimming ciliates for 4.4%.
    附着型纤毛虫的密度占纤毛虫总密度的42.7%，匍匐型纤毛虫的密度占纤毛虫总密度的31.7%，肉食型纤毛虫的密度占纤毛虫总密度的21.2%，自由游泳型纤毛虫的密度占纤毛虫总密度的4.4%。

adj

1. (of animals) able to swim about

   Synonym:    unattached