provide physical relief, as from pain同义词:relieve, palliate, assuage
make easier同义词:facilitate, ease
例句
A town of south-central England northeast of Oxford. It was designated as a new town in1967 to alleviate overcrowding in London. Population, 126,500.米林基那斯英格兰中南部一城镇,位于牛津东北。为缓解伦敦的拥挤状况1967年被划为一新城镇。人口126, 500
They alleviated the boredom of waiting by singing songs.他们以唱歌来减轻等候的厌烦。
The doctor gave her an injection to alleviate the pain.医生给她注射以减轻疼痛。