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...
Objective : To develop a HPLC method for determination cytidine diphosphate choline ( CDPC ) .目的: 用RP-HPLC 法测定胞二磷 胆碱 的含量.Low levels of choline in the body can give rise to high blood-pressure...体内胆碱水平过低会引起高血压。Clinical sy...
一支小分队开进了东部郊区向飞机场挺进。One detachment pushed into the eastern suburbs towards the airfield.他试图顺风回到飞机场。He attempted to return downwind to the airfield.长途汽车开往飞机场之前,司机停了几次搭载乘客.The coach driver made several pickups before headin...
Traditionally young Asians in Britain have gravitated towards medicine, law and engineering.英国的亚裔年轻人通常被吸引到医学、法律及工程专业。Many of Britain's beaches fail to meet minimum standards of cleanliness.英国许多海滩连最起码的卫生标准都达不倒。Britai...
Nat is candid about the problems she is having with Steve.娜特对她眼下和史蒂夫之间的问题毫不隐瞒。This collection of letters is affectionate, candid and wickedly funny.这本书信集感情真挚，语言坦率，还透着一种顽皮的滑稽。I felt she was being less than candid with me....