In covalent bonding, atoms share electrons.在共价键联中, 原子共有电子.Crystals may be classified as either ionic or covalent by analogy with molecules.与分子的情况一样,晶体也可以分为离子键型和共价键型.Ceramics primarily have ionic bonds, but covalent bondi...
Buying budget-priced furniture needn't mean compromising on quality or style.买价钱经济的家具并不意味着就要牺牲质量和样式。Today's organic wine producer is typically a small, quality-conscious family concern.现今的有机葡萄酒生产商一般是注重品质的小型家族企业...
...a young mother with a baby resting against her ample bosom.丰满的怀里抱着婴儿的年轻妈妈There is fine chiffon in bosom, and adjustable aiguillette feel much comfortable and free.胸前精致的花边, 可调节的肩带,穿着舒爽.Why can the symptom with frowsty ...
The night was as melancholic as his mood.夜晚和他的心情一样阴郁。A absurd tragedy accompany a melancholic song by the Tiger Lillies.一出荒诞的悲剧,在泰戈莱利斯犹豫的歌声中缓缓上演.Because melancholic people really listen to others.因为忧郁的人确实会倾听他人心声....his g...