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来源:雅诚德英语网
The casing is nearly airtight, which helps protect the vulnerable egg and later larva.
外层几乎是密封的,可以保护脆弱的蜂卵,以及后来的幼虫。
The casing is nearly airtight, which helps protect the vulnerable egg and later larva.
外层几乎是密封的,可以保护脆弱的蜂卵,以及后来的幼虫。