1.
Families with the lowest income suffer about a third more colds than families at the upper end.
家境贫寒的人感冒次数要比最富裕的人多三分之一。
2.
As income increases, the frequency at which colds are reported in the family decreases.
随着收入的增加，家庭成员的感冒次数呈下降趋势。
3.
Adults who delay having children until their thirties and forties experience the same sudden increase in cold infections.
那些晚育至三十几岁或四十几岁才有孩子的人，在那一时期感冒次数也会突然增加。
4.
I got flu twice last year.
去年我患了两次感冒。
5.
Do you catch a cold more than once a year?
你每年感冒不止一次吗？
6.
The general incidence of colds continues to decline into maturity.
一般说来，随着年龄的增长，感冒的次数也越来越少。
7.
She's still recovering from a bout of flu.
她这次患流行性感冒还没有完全恢复。
8.
I can't seem to throw off this cold.
我似乎根除不掉这次感冒。
9.
The attack of influenza has crocked him up.
这次流行性感冒的来袭使他变衰弱。
10.
Many severe colds undermined the old man's health.
多次严重的感冒损害了老人的健康。
11.
Infants are the most cold-ridden group, averaging more than six colds in their first years.
婴儿期是最易感冒的时期，从出生到一周岁平均感冒六次。
12.
The flu has laid him up for a few days.
流行性感冒使他卧床数日。
13.
The last attack of influenza has left me rather groggy.
上次患流行性感冒后使我至今软弱无力。
14.
Elderly people who are in good health have as few as one or two colds annually.
健康的老年人每年只感冒一至两次或更少。
15.
An attack ot influenza soon pulls you down.
害一次流行性感冒很快就使你虚弱下来。
16.
Atishoo! Oh, not again! This is my third cold this winter.
啊嚏！够啦！这是我今年冬天第三次感冒了。
17.
Linda had to sit out the last meeting because she had a cold.
琳达只好不去参加上次会议，因为她感冒了。
18.
chance one's arm
冒一次险，冒险试一下