Because of this coding relationship, triplet of bases is called a codon.由于这种编码关系, 碱基的三联体被称为密码子.The tail feathers are dark blue at their bases, shading to pale blue at their tips.尾羽的根部呈深蓝色，到了尾尖就渐变成淡蓝色。The two hotel-restau...
The two hotel-restaurants are attractive bases from which to explore southeast Tuscany.对于去托斯卡纳东南部探险的人们来说，这两家酒店是很有吸引力的驻扎地。They responsed with assaults against the enemy's bases.他们向敌人阵地发起反攻.Alice always bases her opin...