gym= gymnasium 健身房
to become healthy= being without sickness
变得健康
to get fit= maintain healthy body weight
保持健康的身材体重
to lose weight / reduce some weight / burn some fat
减肥

register 注册会员
to build up muscles 练肌肉
to make friends 交朋友
to be in good shape 保持好的身材体型
gym membership card 健身房会员卡
trainer 教练员

健身用语
Do you have any special packages?
请问你们有什么优惠套餐吗？
What sort of membership options do you have?
你们有哪些类型的卡呢？
How much would it cost to pay each time I use the gym?
请问你们单次计费是多少钱呢？
How do I operate the exercise equipments?
请问这个器材要怎么操作呢？
What kind of equipments can we find at the gym?
这个健身房有哪些器材呢？

健身器材
treadmill 跑步机
barbell 杠铃
stationary bike 固定脚踏车
skipping rope 跳绳
elliptical 椭圆机

健身运动
running 跑步
jogging 慢跑
do push-ups 做俯卧撑
do ups and downs 引体向上
do sit-ups 仰卧起坐