A perennial is a plant that lives indefinitely.多年生植物是指能存活很多年的植物。the perennial problem of water shortage缺水这个老问题I wonder at her perennial youthfulness.我对她青春常驻感到惊讶....
Description: Perennial herbaceous vines, with milky juice , glabrous throughout.形态特徵: 多年生草质藤本, 全体无毛, 有乳汁.Lythrum salicaria is a perennial herb , its root system is a fibrous like tap root system.千屈菜lythrumsalicaria为多年生宿根...
Active lipase is associated with the membrane of the spherosomes.活跃的脂肪酶与圆球体的膜相结合.Effect of influent composition on membrane fouling in membrane bioreactors was investigated.研究了膜生物反应器中进水组成对膜污染的影响.The apical membrane of th...
Professor Calen steeps himself in Latin.盖伦教授精通拉丁文.Mr Brown is a dustman while his wife is a professor.布朗先生是位清洁工而他的妻了是一位教授.More than two hundred students were in the classroom, the professor had to talk into microphone.20...