那白鹭振翅向湖对岸慢慢飞去.The heron flapped slowly off across the lake.燕子, 野雁和白鹭每年都移居.Swallows, wild geese and egrets migrate every year.那白鹭鼓动着翅膀从水面上飞来.The heron came flapping over the water....
Recent advances in reproductive endocrinology are primarily due to the development of radioimmunoassay.最近取得的生殖内分秘研究成果,主要是由于放射免疫分析的进展.Pan Yunlong : Professor, Chief Physician And Director of Endocrinology Department , Spe...
Jeff: Of course, they have strange appearances, such as duckbill , millie, and kookaburra.杰夫: 当然, 它们的外貌稀奇古怪, 有鸭嘴兽 、 针 、 笑翠鸟.She has made several television appearances recently.她最近参加一些电视演出。Objective To explore the angiog...