adj. rhizoid
misc. rhizomorphous ; radiciform
当感到遇到威胁的时候，海鳃立刻放出绿光，并向球根状的足部充气。
When disturbed, sea pens emit a greenish light and can deflate, retreating into their bulbous feet.
青蛙实际上把球根状的眼球送进口腔，并利用他们的眼球把昆虫送到喉咙里。
Frogs actually take their bulbous eyeballs and bring them down into their mouth cavity and use their eyeballs to shove the insect down the throat.
这种多瘤的根状物已经在亚洲和印度治疗中使用了几个世纪，主要用于助消化。
This gnarled root has been a major player in Asian and Indian medicine for centuries, primarily as a digestive aid.
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