其它食用蟹的价值随所在国家而不同， 种类有相手蟹 、 圆轴蟹和短桨蟹 (SECA/CML, 1987年)。
Other edible crabs that are diversely valued depending on countries include some Sesarma, Cardisoma and Thalamita species (SECA/CML, 1987).
商时驾舟的技术有桨划、篙杆撑和手推纤拉。
The boating in Shang Dynasty was used by oar, pole and manual pull.
这个想法是球充当了“反桨”的角色，强迫你用你的前臂而不是你的手来抓抱水。游任何泳姿、训练、甚至划水时都可以用这种方法。
The idea here is that the ball acts as an "anti-paddle" forcing you to use your forearms instead of your hands to hold onto water.
应用推荐