提示：点击例句中的单词，就可以看到词义解释

Researching and Development of Three-high Taper Leef Spring Mill

三辊式变截面板簧轧机的研制与开发

Leef , a Juris Doctor from Duke University School of Law , says that because of the “ connivance ” between state bodies and the American Bar Association ,“ law school costs much more than it needs to .

莱夫，来自杜克大学法学院法学博士说，由于“纵容”国家机关之间和美国律师协会“法律学校费用远远超过需要的地方。

The sample was collected from 18 kinds mangrove trees and 4 kinds semi-mangroves of soil , root , fruit and leef , totally 60 samples .

本次采样采集18种红树林植物和4种半红树林植物的土壤、根、果、叶等共60个样品，共分离得到1206株海洋微生物菌株。