1.a lot of 大量的
I think a lot of people still underestimate him.
我觉得很多人仍然低估了他 。
2.poor diet 不良饮食
Poor diet and excess smoking will seriously damage the health of your hair.
不合理饮食和过度吸烟会严重损害头发的健康 。
3.animal protein 动物蛋白
He had never eaten green vegetables, animal protein, fish, eggs, cheese, or liver.
他从不吃蔬菜、动物蛋白、鱼、蛋、奶酪和肝 。
4.based on 基于
Democracy is based on good will and mutual understanding.
民主建立在善意和相互理解的基础上 。
5.At the beginning of the study, the adults were between the ages of 70 and 81.
At the beginning 开始
They uncovered the statue at the beginning of the ceremony.
仪式开始时,他们揭去了塑像的罩子 。
At the beginning of liberation, the factory was an awful mess.
解放初,这个工厂是个烂摊子 。
6.Two hundred seventy-seven of those who took part in the study became frail.
took part in 参加;参与
She took part in a BBC radio phone-in programme.
她参加了英国广播公司听众来电参与节目 。
All the villagers, men and women, old and young, took part in the battle against the drought.
全村不论男女老幼,都参加了抗旱斗争 。