They have been bartering wheat for cotton and timber.他们一直用小麦交换棉花和木材。Parliament would be touchy about bartering British soil for ships.用英国国土换取舰只,议会感到为难.Both have separate systems of credits that make bartering easier.他们具有...
大多数黄土被认为是一种风成沉积.Most loess is considered to be an eolian deposit.被称为黄土的风成沉积物,在许多地区均有.Wind - deposited sediment called loess occurs in many places.表面上很少显示出风成沙波纹或风成细砾波纹.The surface rarely shows such features as wind ripple...
血红蛋白也能交联到水溶性多聚体上,形成 所谓 的共轭血红蛋白.Hemoglobin can also be cross - linked to solublepolymers to form so - called conjugated hemoglobin.高脂厚奶油中脂溶性维生素的含量大约是稀奶油的两倍。Double cream contains approximately twice the quantity of fat-sol...