suc·to·ri·al /ˌsʌkˈtoriəl, ˈtɔr-/
(a.)會吸住的,適于吸的,有吸盤的
Suc·to·ri·al a.
1. Zool. Adapted for sucking; living by sucking; as, the humming birds are suctorial birds.
2. Zool. Capable of adhering by suction; as, the suctorial fishes.
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suctorial
adj : adapted for sucking or clinging by suction