雅思词汇解析，释义到用法，清清楚楚
每一次的进步，都是来自点点滴滴的积累
 本期作者：张悦
趁着世界杯的热度，我们来学习运动词汇。
1. shape /ʃeɪp/
a. be in good shape: 身体健康; 身体状况良好
e.g. Sadly, I'm not in good shape anymore. Ten years working behind a desk has given me quite a belly.
b. Be out of shape：身体状态差
e.g. I hadn’t been training for months and was really out of shape.
c. Get (yourself) back into shape 使恢复体形﹙或健康﹚
e.g. Walking is a good beginner's activity if you're just starting to get back into shape.
2. strenuous /'strenjʊəs/
adj. 费力的；竭力的；奋力的
a. strenuous exercise 剧烈运动
b. a strenuous trip/ day/ job 辛苦的旅行/ 一天/ 工作
c.口语话题：What sports do you like?
I love football. It is strenuous and physically challenging, which helps me to burn up calories.
3. cardio
a. prefix: of the heart 心脏的
e.g. cardiology 心脏病学
cardiovascular 心血管的
b. 有氧运动: any type of exercise that causes the heart to beat faster and harder for a period of time. 
e.g. fasted cardio 空腹有氧
e.g. My workout usually includes 15 to 20 minutes of cardio.
注：workout （一段时间的）训练，锻炼
cardio 也经常放在名词前
e.g. cardio exercises / training / workouts 有氧运动/训练
也可以称为：aerobic exercise
strength training 即力量训练
4．plateau /'plætəʊ/
a. 高原
b. 活动或进程中的稳定阶段，停滞时期
e.g. The price of gas seems to have reached a plateau.
e.g. I'd been losing about a pound a week on my diet, but recently I've hit plateau and haven't lost an ounce.
突破停滞期：bust/ get past / break through
v. 到达停滞期；稳定期
e.g. The population increase is expected to plateau in the year 2007.