单词	calm retirement
释义	英華英華★◀▶英華☞calm英華☞OFF
随便看	proton-proton chain proton-proton--chain proton-proton chain in stars proton-proton chain reaction proton-proton exchange force proton-proton reaction proton-proton scattering proton pump proton pump {= h+ pump} proton-pump inhibitor proton pump inhibitors proton pump inhibitors {=ppis} proton radiation effect/protection proton radiation effects proton radiation test proton radioactivity proton recoil proton-recoil protonrecoil proton recoil chamber proton-recoil chamber proton-recoil counter proton recoil detectors proton-recoil ionization proton recoil ionization chamber