gizzards
n.
（鸟的）砂囊( gizzard的名词复数 );
（鸟的）胃;
喉咙;
（人的）胃;
例句:
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The gizzards macerates the food in the digestive system.
鸡胗能够泡软消化系统中食物.
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You might not always see heads drop but internally it's like you've had your gizzards ripped out.
来自BBC
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The Dominicans and the Russians were a little skeptical about duck gizzards but soon learned to appreciate them.
来自NEWYORKER