The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant.和该量有牵连的因素是一般活性, 离域作用, 反应热, 活化能, 速度常数.The reactivity of wheat straw soda lignin ( WSSL ) can be i...
The surface cratered with the constant dropping of water.表面因经常滴水而成坑.Artillery cratered the roads.炮击后大路布满了弹坑.I further cratered my chin as an adult.成年后,我又在下巴上留下了痕迹....
Efforts to reach the people named in the report proved unavailing.联系过报告中所提到的那些人，但都徒劳无功。Their efforts were unavailing.他们的努力都付诸东流。Hurstwood heard the details of the weary and unavailing search that evening.那天晚上,赫斯渥听到了这次劳而无...
They spent months of toil on the water conservancy project.他们为这项水利工程辛辛苦苦地干了几个月.Water resources conservancy lands: used for water conservancy and the facilities.一二水利用地: 供水利及其设施使用者.In 1958 he was put in charge of water con...