那群女生在角落里尖锐地大笑，听起来很刺耳。

The group of girls were ___cackling loudly in the corner, sounding quite harsh.

听到母鸡在下蛋后咯咯叫，农场主知道又有新鲜鸡蛋了。

The farmer knew there were fresh eggs when he heard the hens ___cackling after laying them.