Eternal a. 永久的 例句：She felt eternal gratitude to him for saving her life. 她终生感激他的救命之恩....
Fidelity n. 忠心 例句：History is more full of examples of the fidelity of dog than of friend. 历史上狗儿忠诚的事例较诸朋友忠诚的事例多得多。...
Pledge n. 誓言 例句：Take this ring as a pledge of our friendship. 请接受这个戒指作为我们友谊的信物。...
Vow n. 誓言 例句：Catholic priests take a vow of celibacy. 天主教神父发誓不结婚....
Infatuation n. 醉心 例句：His infatuation with her lasted six months. 他对她迷恋了半年....
Valentine n. 情人, 情人节礼物 例句：Will you be my valentine? 你愿意做我的情人吗?...
Romance n. 浪漫 例句：She writes romances about rich men and beautiful women. 她写的是富翁美女的爱情故事....
Heartthrob n. 激情 例句：Take this quiz to find out if your heartthrob is really your perfect match.做做测试，看您的爱人是否是您的最佳搭档。...
Propose v. 求婚 例句：He had proposed marriage, unsuccessfully, twice already. 他已经两次求婚, 均未成功....
Puppy Love n. 少男少女短暂的爱情, 早年初恋 例句：My nephew in puppy love went out with his date arm in arm. 我侄子初恋时和他的小女友手挽臂而行。...