沉积: [地] deposit; sedimentation; deposition; precipitation 短语和例子陆相沉积 continental deposit; 海相沉积 marine deposit; 河口沉积了淤泥。 the river deposited silt at its mouth. 尼罗河泛滥时, 在田野上沉积下一层泥。 when the nile
规: Ⅰ名词1.(画圆形的工具) instrument for drawing circles 短语和例子圆规 a pair of compasses; 分度规 protractor; 两脚[分线] 规 dividers2.(规则; 成例) rule; regulation 短语和例子犯规 violate the rules; 常规 convention; 校规 school r