19.They fell in love with each other. 他们彼此相爱了。 动词词组 fall in love with 意为“一见钟情;坠入爱河”。如: He fell in love with her at first sight. 他对她一见钟情。 He fell in love with skating. 他爱上了滑冰。 20.Ever since then they have had...