沟: 名词1.(挖掘的水道或工事) channel; ditch; gutter; trench 短语和例子交通沟 communication trench; 排水沟 drainage ditch; drain; 阴沟 drain; sewer; 挖一道沟 dig a ditch; 沟里的水不很清洁。 the water in the ditch is not very clea
Example Sentences:
1.
Before maize interplanting , 40 % of n , all of p and k and even small amount of organic manure are used by furrow application as basal , or dressed in seedling stage after wheat harvest if operation is difficult to be put into interplanting space 套种玉米前，沟施40 %氮、全部磷、钾甚至少量有机肥作为基肥，或者当施入套种带作业困难时在小麦收获后苗期追肥。
