他用铁笔把设计图刻在蜡纸上.He drew the design on the stencil with a steel stylus.师傅用的这种铁笔啊,是特制的.Using a specially - made stylus.伯19:24用铁笔镌刻、用铅灌在磐石上、直存到永远.That with an iron stylus and lead They were engraved in the rock forever!...
Warm your reagents ( media, PBS, trypsin ) to 25 - 37� � C prior to use.细胞操作前要把培养液 、 PBS和胰 酶 在37C水浴中加温.Control group was injected with the same dose of PBS.对照组10只注射等量PBS液.After dialysis, Nef protein was dissolved in PBS....