你该和杰德李兰先生谈谈。
You ought to see Jed leland .
妻子李兰是她们的母亲。
My wife Li Lan is their mother .
李兰秤漏的一种可能结构及其平均流速稳定原理
A Possible Structure of Li Lan 's Steelyard Clepsydra and Its Principle for the Stabilization of Average Flow Velocity
李兰