Birds eat just like the rest of us. They need nutrition in order to be able to live. With eating, they gain strength and that allows them to be able to fly and do daily tasks.
Answer:
interesting. Both AB are fine, but the second pinyin of the latter (chuang shang) should be marked with a soft sound, whereas if it is 'xia' there is no need for a soft sound. I don't know if this makes sense to you. if you also have questions, you can send a message to me.
Explanation:
Brush your teeth, have breakfast, get dressed