今天我们就来介绍这么一组词! 比如说上学时期,老 师一定讲解过“一次、;两次、三次”的说法, once=一次、twice=两次……, 一般表示次数, 就是数字+ times, 如three times、four times……, 但有个词跟这个表达方式很类似, 意思却完全不同, 那...
Ten years ago George Square in Glasgow buzzed with campaigners for Scottish independence. The anniversary of the referendum, which falls on September 18th, is passing more discreetly. Scottish political leaders have geared up to make pro forma speeches. Bob Doris...
应用FC 产品亚型结合单克隆抗体 研究领域细胞周期和细胞死亡 浓度200 ug/ml 如果您购买fitzgerald提供的抗体,应将其冷冻在-24°C下长期保存,并在+5°C下短期保存。[关于大鼠,用于制备大鼠单克隆抗鼠抗体。然而,老鼠的克隆比老鼠的克隆要少。褐家鼠属啮齿动物的大鼠基因常作为人类基因在Sprague-Dawley或Wistar大鼠体内...
Mencius was a great politician and educator in ancient China. When he was a little boy, he was very naughty. His mother wanted him to be a learned person, so she tried hard to educate him. At first, they lived near...