Vacillation is the cause of his failure.优柔寡断是他失败的原因.He accused President Carter of vacillation and retreat.他指责卡特总统的动摇和退缩。There must be no mistake, no vacillation or dallying because of her own smallness of mind.绝不能因为自己的见...
The course is designed to help students with colour and composition.设置这门课程是为了指导学生如何运用色彩和构图。the chemical composition of the soil土壤的化学成分He played a piece of music of his own composition.他演奏了一首自己创作的曲子....