n.分娩的痛苦；陣痛；辛勞
v.苦干；辛勞；（因分娩）發(fā)生陣痛
Mothers know the travail of giving birth to a child. 母親們了解分娩時(shí)的痛苦。
He gained the medal through his painful travail. 他通過艱辛的努力獲得了獎(jiǎng)牌。
