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...
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....
水的碱性是它中和酸的能力的一种量度.The alkalinity of water is a measure of its capacity to neutralize acids.解酸的, 抗酸的,防酸的,中和酸的消除或中和酸度的, 尤其胃酸.A substance , such as magnesia or sodium bicarbonate, that neutralizes acid.苏打属于弱碱性, 这样就可以中和酸和分解蛋...
The annual slaughter of wildlife in Italy is horrific.在意大利，每年大量捕杀野生动物的现象令人震惊。The slaughter was horrific.屠杀令人震惊。The film showed the most horrific murder scenes.那部影片有极恐怖的谋杀场面....