These granules consist of the actual pigments: eumelanin and phaeomelanin.正是这些小颗粒组成了二种色素: 真黑素和棕黑素.Tricolour can be found with all eumelanin colours.三色中具有所有带黑色素的颜色....
This necklace of mine is not very expensive, it is 18 - karat gold.我这个项链不太贵, 是18开金的.12-karat gold十二开金These are rings of 18 and 24 karat gold.这些是18K和24K金的.Gold jewelry of 10 K or more will have a karat stamp.含金量为10K或者高于10...
陪审团在裁决后加了一条建议宽恕的附文.The jury added a rider to their verdict recommending mercy.这充分上锁的附文来充分配备了隔板和绝缘几乎消除噪音的作业.This fully lockable enclosure comes fully equipped with baffles and insulation to almost eliminate operating nois...
有时需要用一种编号系统来标明各配体的位置.It is occasionally necessary to use a number system to designate the position of each ligand.因此,作为配体的分子或离子有具有作给予用的孤电子对.Molecules orions which act a ligands should therefore have lone pairs of electro...