the calcareous or sandy tube of some sedentary marine worms, such as fan worms
巢管(缨鳃蚕等海洋蠕虫生活在其中的石灰质的或用泥沙粘成的管子)。
n. 巢管
The most distinctive of these was something called the tube worm.
其中最特别的是一种叫管虫的生物。
The tube of the tube worm is really, really long.
管虫的管非常非常长。
The tube worm has no mouth or digestive organs.
管虫没有嘴,也没有消化器官。
the calcareous or sandy tube of some sedentary marine worms, such as fan worms
巢管(缨鳃蚕等海洋蠕虫生活在其中的石灰质的或用泥沙粘成的管子)。