tubelike

slender animal with tentacles and a tubelike outer covering; lives on the deep ocean bottom.

体表有触须和管状细长动；生活在深海底。

When the circuitry takes the form of two or three wires running in parallel, the magnetic field forms a tubelike trap along which the atoms can move freely.

当线路中有二或三条导线平行排列时，磁场会形成管状阱，原子可在其中自由移动。