他手里拿着两脚规,是用两根长辐条做成的.In his hands he holds a compass made of two pointed sticks.把两脚规拿去量一量, 这才是该办的事!Mark it out with the compasses, that's what's wanted!把两脚规拿过来!Give the compasses here!...
We tested the boat for its buoyancy.我们测试了这条船的漂浮能力。...a mood of buoyancy and optimism.乐观愉快的心情I'll have to take stock, go carefully and regain my buoyancy.我将不得不审时度势，小心行事，同时保持乐观。Air can be pumped into the diving suit ...