单词	stewardess call button
释义	stewardess call button 空中小姐招呼钮
随便看	effective modulation effective module method effective moduli effective modulus effective modulus of elasticity effective moisture effective molarity effective molecular area effective molecular diameter effective molecular weight effective moment effective moment of inertia effective money effective money substitute effective monomer effective monopole radiated power effective monopole-radiated power effective monopolization effective moral education effective mortality rate effective motivation effective moulding temperature effective multiplication effective multiplication constant effective multiplication factor