1. 奥运旗帜白色的背景上印着五个相连的彩色圆圈,代表五大洲.（feature）
5 crossed circles in different colors are printed on the white background of Olympic banner,which feature 5 continents.
2.他差0.02秒就得金牌.那些目睹这一比赛的人们不禁发出叹息.（narrowly,witness）
He lost the championship narrowly with a 0.02s behind,
and those who witnessed this couldn't help sighing.
3.长跑比赛时对耐力的极大考验.运动员不仅流汗,还会流泪,甚至流血.（tolerance,shed）
Long race is a big test for tolerance.
The athletes will shed sweat,tears,or ever blood.
4.绊倒另一个选手的脚,他摔倒在跑道上,但他很快爬起来,一瘸一拐地走到终点.（trip；rise to one's feet; limp）
Being tripped with another athlete's foot,he fell down onto the lane,
but he soon rose to his feet again and walked to the finishing point in a limp.