n. activity directed toward making or doing something
n. a product produced or accomplished through the effort or activity or agency of a person or thing
n. (physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force
v. exert oneself by doing mental or physical work for a purpose or out of necessity
词态变化
现在分词:working
第三人称单数:works
过去式:worked
过去分词:worked
常见例句
1
exert oneself by doing mental or physical work for a purpose or out of necessity
