1) This dog has a wonderfully good nose.

这只狗嗅觉特灵。
2) This dog has a good nose.

这条狗嗅觉灵敏。
3) a dog with a good nose

嗅觉灵敏的狗.
4) Dogs have a keen sense of smell.

狗的嗅觉很灵敏.
参考词条