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单词 embryonic stage
释义
embryonic stage
Efforts to make the river more accessible are still in the embryonic stage.
Houston Chronicle
During the embryonic stage of many insects and the postembryonic stage of primitive insects, 11 abdominal segments are present.
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It lacks a shell except during its early embryonic stage.
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However, only cells that are tolerant to self tissue will survive the embryonic stage.
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They are gelatinous, mostly transparent pteropods, and they only have shells in their embryonic stage.
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更新时间:2024/11/15 10:34:19