英语词汇“period of effectiveness/usefulness/validity/efficacy”的翻译、意思、用法、释义-英汉双解词典-雅致网

单词	period of effectiveness/usefulness/validity/efficacy
释义	请查阅词条：efficacy
随便看	draw draw- draw a bead on draw a bead on draw a blank draw a blank draw a blank drawable drawable draw a connection between draw a distinction draw a distinction between draw a line draw a line in the sand draw a line under draw a line under draw an analogy between draw a parallel between draw a parallel with draw a picture of draw aside draw attention to draw attention to itself draw attention to oneself draw a veil over 踉踉跄踉𬧀踊踊跃踌踌蹰踌躇踌躇满志踏 Membrandeckel Membrandicke Membrandiffusion Membrandose Membrandruckregler Membran_Durchmesser Membrane Membranfeder Membrangehäuse Membrangerät