It became evident that the flyboat could be used advantageously in certain bulk trades where the danger of piracy was low.

显而见，快艇适于海盗劫掠可的地区的些大宗贸。

The flyboat was exceptionally long compared with its width, had a flat bottom, and was lightly built.

这种快艇船身长度大大超出其宽度，底平，体轻。