portable hearing aid
相关英语词汇推荐
- Hydrocarbon base
- zygozoospore
- phase array sector scanner
- Cardiac neurosis
- auditory feed-back recorder
- quadrantic
- transparent layer
- lower half;lower part
- liquid electrode mothed
- centricity
- longitudinal lie
- exponential amplification
- distant hybridization
- ewing's tumor
- crescent
- episiostenosis
- vaginoplasty
- plaited paper filter
- bearer bond
- trapezium