Objective: To establish the method of preimplantation genetic diagnosis (PGD) by use of first polarbodies.
前言：目的：建立采用第一极体植入前染色体非整倍体诊断的方法。
2
It changes soil, preserves food, inspires polar explorers and gives hope to those in search of resurrection now that bodies can be preserved in liquid nitrogen.
它可以改变土壤状况，保存食物，激励极地探险，给予那些保存在液氮的人们再次复苏的希望。
3
Polar Bear Clubs in many northern hemisphere cities near bodies of water, have a tradition of holding organized plunges on New r's Day.