雪在脚下发出嘎吱嘎吱的声音。The snow scrunched underfoot.有人在拼命涌向出口时被踩在脚下。People were trampled underfoot in the rush for the exit.他把一只金色的甲虫踩在脚下.He trod the golden beetle underfoot....
目的制备以盐酸赛 庚 啶和醋酸地塞米松为主药的复方凝胶剂.To prepare a compound gel composed of cyproheptadine hydrochloride ( Cph ) and dexamethasone acetate ( Dxm ).5. 中缝背核微量注入赛庚啶阻断其中的 5-HT _2受体后,电针对胃运动 、 胃电慢波的抑制效应被部分阻断.S . After Cyp was used to b...