常见例句雙語例句For its first aircraft Beriev chose a scheme of the single-cantilever monoplane with two-step boat, which had a large cross-deadrise.別裡耶夫爲它的這個首個作品選擇了懸臂式上單翼和雙堦船身的結搆，後者具有較大的橫截麪。 返回 single-step boat