它们用(吸盘吸住)牡蛎上下的外壳然后向外拉,直到掰开为止。They do this by (attaching their sucking disks) to either half of the oyster shell and pulling until the shell eventually opens.
suction cup
Suction cup diameter
‘Cupule Catch up’ is a sticker for control button which can start the cupule to catch up the object put on it when pressed.
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济南别墅装修
