homing
adj. 回家的；自动导引的；有返回性的
n. 归航；动物的返回性
v. 回家（home 的 ing 形式）
例句
Then the pigeons flew into thick fog, and the famous homing instinct failed.
然后这些鸽子飞进浓雾中，著名的归巢本能失灵了。
《柯林斯英汉双解大词典》
Many birds have a remarkable homing instinct.
很多鸟类具有了不起的返回原地的本能。
《牛津词典》
I began to feel I was really homing in on the answer.
我开始觉得我快找到答案了。
