就像美国虽然有B-2轰炸机，但列装数量最多、使用频率最高的仍然是老骥伏枥的B-52。
The U. S. , for example, has B-2, but B-52, which is a veteran now, is still the most widely and frequently used bomber.
就像美国虽然有B-2轰炸机，但列装数量最多、使用频率最高的仍然是老骥伏枥的B-52。
The U. S. , for example, has B-2, but B-52, which is a veteran now, is still the most widely and frequently used bomber.
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