A business can only be built and expanded on a sound financial base.
一家企业只有在稳定的财政基础上才能开办并扩大规模。
Jones broke into a military base on a dare.
约翰接受了挑战,冲进一个军事基地。
在月球上建造基地。
The shell dropped and exploded above Fort Sumter, a United States military base on an island in the harbor.
VOA: special.2009.08.13
When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.
它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的
That was three years after the United States established a naval base at Pearl Harbor, on the island of Oahu.
VOA: special.2009.03.02
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