单词 | altricial |
释义 | altricial (once / 2954828 pages) adj WORD FAMILY altricial USAGE EXAMPLESBabies that need a lot of care are called altricial babies, and animals that are born more developed are called precocial. National Geographic(Aug 28, 2015) So men are why we were able to have altricial, big brained infants. Scientific American(Jun 30, 2013) Humans are an altricial species, which means that they’re born helpless. Scientific American(May 15, 2013) adj (of hatchlings) naked and blind and dependent on parents for food Ant precocial (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days |
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