We beg the Government on bended knees not to cut this budget.我们恳求政府不要削减这项预算。She was on her hands and knees in the bathroom.她趴在浴室的地上。I had grazed my knees a little.我的膝盖擦破了一点皮。Mcanally's knees buckled and he crumpled ...
The reactivity of wheat straw soda lignin ( WSSL ) can be improved by demethylation modification.麦草 碱木素在碱催化下经脱甲基改性可提高其反应活性.Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction,...
长椅周围的人群渐渐散去了。The crowd around the bench began to melt away.我们三三两两从农舍散去。We fanned out from the farmhouse in twos and threes.半夜时分，人群渐渐散去了。By midnight the crowd had thinned....