Each tentacle is about two millimeters long.
每条触手大约两毫米长。
Scientists pulled up a tentacle and they believe it came from a foot-long jellyfish.
科学家们拔除了一条触角，他们相信这是一只一英尺长水母的触角。
Scientists also pulled up a tentacle they believe came from a foot-long jellyfish.
科学家们同时也发现了一条触角，他们相信这是一只有一英尺长的水母的触角。
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