Ac = actinium
/// 锕
热门单词
- absorptiometer
- acceptable quality
- aciculum
- acid nonfast
- acid sludge
- acoumetry
- acoustic burglar alarm
- acquisition radar
- acropetal
- acrylic amide
- acrylic and wool blended pullover
- acrylic latex coating
- action of deflagration
- active correlator
- activizer
- actuator
- acute mania
- adherent tissue
- adiabatic flame temperature
- adiaphorism
- adjacent accommodation
