She was becoming increasingly despondent about the way things were going.她对情况的发展越来越失望。He was up for a time and then, without warning, despondent again.他一度兴高采烈, 但忽然又情绪低落下来.Patients often feel despondent.病人经常会感到沮丧....
His sporting and political interests coalesced admirably in his writing about climbing.他在写登山的文章中，把自己对体育和政治的兴趣完美地结合了起来。The puddles had coalesced into a small stream.地面上水洼子里的水汇流成了一条小溪。These two previously isolated species ...
珠心表皮细胞平周分裂产生多层珠心周缘细胞,为厚珠心.The nucellar epidermal cell cuts off several layer nucellar parietal cells.'周缘'.''的关于 、 位于或组成外部边界或周缘的.Related to, located in, or constituting an outer boundary or periphery.&...