您要查找的是不是：
- 真空vacuum
- 胎litter
- 备胎spare wheel
- 真空包装vacuum packing
- 抽真空vacuumize
- 爆胎tyre burst
- 真空度vacuity
- 胎的fetal
- 真空的vacuum
- 安胎anti-abortion measuccessful gestation
- 真空吸尘器vacuum cleaner
- 补胎tire patching
- 真空断路器vacuum circuit breaker
- 我得把前胎打一下气。I have to get my front tyre blown up.
- 真空计vacuum gauge
- 胎心fetal heart
- 真空表vacuum meter
- 胎牛血清fetal calf serum
- 真空袋vacuum bag
- 保胎prevent miscarriage
