常见例句双语例句For its first aircraft Beriev chose a scheme of the single-cantilever monoplane with two-step boat, which had a large cross-deadrise.别里耶夫为它的这个首个作品选择了悬臂式上单翼和双阶船身的结构，后者具有较大的横截面。 返回 single-step boat