查询词典 dagger board

By changing the rigging, rudder and dagger or centre board, a sailor manages the force of the wind on the sails in order to change the direction and speed of a boat.

通过改变操纵，方向舵和匕首或中心局，水手管理力量，风对帆为了改变方向和速度的船。

And a board, double-edged dagger was clutched tight in a skeletal fist, as if the hate that commanded those bones in life could not release the blade even in death.

他的手里还紧紧地握着一把宽宽的双刃短剑，生前的满腔仇恨似乎使他至死也不愿松开这把剑。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。