Somebody fired a gun and startled a flock of wild ducks.
有人放了一枪，惊起一大群野鸭子。
A flock of wild ducks were flying in formation1, heading south for the winter.
一群野鸭排着整齐的队形飞往南方过冬。
A flock of wild ducks inhabits the reeds, and they quack to each other. It seems they are not going to leave and live through the impending winter.
芦苇丛里栖息着一群野鸭，他们嘎嘎呼唤，好像不准备离开，不准备度过即将到来的冬天。
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