to watch [动词] 观看 Ex: She sat on the park bench and watched the children play in the playground . 她坐在公园的长椅上,看着孩子们在游乐场玩耍。
to study [动词] 学习 Ex: He prefers to study in the library where it 's quiet and conducive to learning . 他更喜欢在安静且有利于学习的图书馆里学习。