婚戒 for Dummies
鑽石分為一型和二型兩種,這主要是根據它是否含有N元素:一型含;二型不含。而藍色的鑽石是二B型的,是半導體。Some women prefer to invest in their own engagement rings or to work with their husband or wife on selecting rings with each other. Ultimately, it is as many as both you and your partner to decid