stratify
stratify
[ˈstratɪfʌɪ]
(-ies, -ied)
stratification
noun
语源
[ˈstratɪfʌɪ]
(-ies, -ied)
- [with obj.][usu. as adj. stratified]form or arrange into strata
使成层，使分层；分层排列
socially stratified cities.
分成不同社会阶层的城市。
[no obj.]the residues have begun to stratify.
残余物开始分层。
■arrange or classify
排列；分类，归类
stratifying patients into well-defined risk groups.
把病人按定义明确的危险程度进行分类。
■place (seeds) close together in layers in moist sand or peat to preserve them or to help them germinate
沙藏（把种子分层紧密地放在湿沙或泥炭中保存）；分层放（种子）于湿沙（或泥炭）中以助其发芽
■[no obj.](of seeds) be germinated by this method
（种子）分层放于湿沙（或泥炭）中以助其发芽
stratification
noun
语源
- mid 17th cent.: from French stratifier, based on Latin stratum (see stratum)
考试词汇表
