名词
1. Spiders spin webs and birds build nests by instinct.
蜘蛛结网，鸟筑巢，都是凭本能。
2. Birds learn to fly by instinct.
鸟学飞出自本能。
3. Suckling is an instinct in mammals.
哺乳是哺乳动物的本能。
4. I trust my instincts.
我相信自己的直觉。
5. We sometimes act on instinct.
我们有时凭直觉而行动。