Pelecypode
斧足纲
🗣️ 情景例句
An individual's sex and characteristics are determinded by their unique set of genes.
个人性别和性格是由他们特有的一套基因决定的。
That fellow never pays his bills on time.
那个男人从没按时付过账。
Is Bill in, Sam?
萨姆，比尔在家吗？