内容正文:
Unit 1 Scientists
Look deep into nature,
and then you will
understand everything better.
— Albert Einstein
Reading A
words and expressions
New expressions
plain
n. 平原;平地;朴实无华的东西
adj. 平的;素的;清晰的;相貌平平的
adv. 清楚地,明白地;平易地
as plain as the nose on one's face 非常明显, 明明白白
plain and simple [用于强调观点]当然
plain as day 非常明显,明明白白
New expressions
devote to
把…专用于,完全用于(某事或做某事);致力于…
He seemed to have unlimited time to devote to us.
他似乎有无限时间专来陪同我们.
devotion n. 献身,奉献;忠诚
devotion to duty 忠于职守
New expressions
Many enjoy the mental stimulation of a challenging job.
很多人喜欢有挑战性的工作所带来的强烈精神刺激。
meet the challenge 迎接挑战
rise to the challenge 奋起应付挑战
take up the challenge 应战
challenging
adj. 挑战性的;引起兴趣的
v. 挑战,质疑(challenge的现在分词)
New expressions
n. 多样;种类,多样化
variety
Variety is the spice of life. (谚)丰富多彩为生活添趣.
various adj. 各种各样的;多方面的;许多的
in various ways 以不同的方式
various styles 款式多样
at various times 在不同的时代
on various occasions 在许多情况下
adopt various methods 采取不同办法
New expressions
v. 变化( vary的现在分词 )
[生物学]变异; 相应变化
varying
time varying 随时间变化的
varying load 变动负荷;不定负荷
Different writers will prepare to varying degrees.
不同作者的准备程度也会各不相同。
New expressions
n. 生物学
molecular biology 分子生物学
marine biology 海洋生物学
conservation biology 保护生物学
evolutionary biology 进化生物学
aquatic biology 水生生物学
biology
New expressions
n. 生物多样性
biodiversity
Great progress has been made in protection of biodiversity.
生物多样性保护取得重大进展.
Their commitment was only to maintain the extent of forests, not their biodiversity.
他们仅承诺维持现有森林面积,并不保证林区生物的多样性。
New expressions
seed
n. 种子, 起源; (尤指网球比赛) 种子选手
vt. 播种
vi. 结籽;(种子)繁殖
run to seed 结籽
These plants are then pollinated and allowed to mature and produce seed.
然后, 这些植物就被授粉, 从而成熟结籽。
New expressions
benefit
n. 利益,好处; 救济金,津贴; 恩惠,恩泽
vt. 有益于,有助于;使受益
for the benefit of 为了…的利益
Each family farms individually and reaps the benefit of its labor.
各家经营各自的农场,