他的外科手术器械是一把刀和一把钳子。His surgical instruments were a knife and a pair of pincers.我踉踉跄跄地，不得不抓住一把椅子稳住自己。I staggered and had to clutch at a chair for support.他一把扯下那女孩的照片，将它揉成一团。He tore down the girl's photograph, and crum...
所有辉石是透辉石质普通辉石, 其成分相对近于透辉石 -- 镁铁辉石.Pyroxene is exclusively diopsidic augite, with a composition relatively colse to the diopside - hedenbergite join....
Objective : To explore the treatment of pure red cell aplasia ( PRCA ) after ABO - incompatible alloge - neic peripheral blood stem cell transplantation.目的: 探讨ABO血型不合异基因外周血干细胞移植后纯红细胞再生障碍性贫血 ( PRCA ) 的治疗.Objective : To in...
He gropes again in his pocket and finds his girlfriend’s eyeliner.他在此摸索他的口袋并且发现了他女朋友的眼线笔。It works as both an eye shadow and eyeliner.可作眼影、眼线或眉笔等多种用途.With your dark brown eyeliner line your eyes.用深棕色眼线笔来画眼线....
It is like a chemical reagent.这就像是一种化学试剂.This bifunctional reagent links protein molecules to one another.这种双用试剂把蛋白质分子彼此连接起来.The reagent possesses specificity for water.这种试剂对水有特殊的作用....