重力: [力学] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational force 短语和例子这块石头由于重力作用而滚下山。 the stone rolled down the mountain by gravity.; 重力测定 gravimetric(
任务: assignment; mission; task; duties; job 短语和例子接受任务 receive an assignment; accept an assignment; 担负艰巨的任务 shoulder heavy responsibilities; 我们保证完成任务。 we guarantee to fulfil [complete] our missi
