He is recovering in hospital after an operation for acute appendicitis.做完急性阑尾炎手术后，他正在医院康复。Objective : To investigate affect of wound infection rate in gangrenous appendicitis after appendectomy.目的了解坏疽型阑尾炎术后放置腹腔引流对切口感染的影响...
1818年菲涅耳参加了法国科学院主办的一次竞赛.In 1818 Fresnel entered a competition sponsored by French Academy.菲涅耳通过加进来干涉概念,解决了这个困难.The difficulty was resolved by Fresnel with his addition of the concept of interference.在许多情况下, 对于我们的目的来说,更简单...
The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.Keep the rough edge of the fabric aligned with the raw edge of the pipi...
He was long-limbed and dark-eyed, with a mop of tight, dark curls.他四肢修长、眼睛乌黑发亮，留着一头蓬乱浓密的黑色卷发。He was long-limbed and dark-eyed.他四肢修长，眼睛浅黑。Gudrun was very beautiful, passive, soft - skinned, soft - limbed.吉娟长得非常标致,温柔可爱, 皮肤...