| 释义 |
DEFINITIVE EXAMPLES 权威例句〔double〕A sharp, often devious change in position or argument; a shift.迅速改变立场：论点或立场的急剧的、不光明正大的转变；转向美国传统〔head off〕He changed direction swiftly, turned into the hallway and headed her off.他迅速改变方向，拐进走廊截住了她。柯林斯高阶〔indicate〕Research indicates that eating habits are changing fast.研究显示，饮食习惯正迅速改变。牛津高阶〔valve〕Music A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube.【音乐】 活瓣：在铜管乐器中通过在管中迅速改变气流而完成音调的改变的一种装置美国传统 |