(chiefly Zoology)adapted for sucking (used for example of the mouthparts of some insects) (主动)吮吸的 ■(of an animal) having a sucker for feeding or adhering to something (动物)有吸盘的
派生 suctorially adverb 语源
mid 19th cent.: from modern Latin suctorius (from Latin sugere 'suck') + -al