本文应用三乙胺催化聚合丙炔醇.The polymerization of propargyl alcohol catalyzed by triethylamine was carried out for the first time.本文首次应用三苯膦引发丙炔醇光聚合,制得黄色粉末状、具有共轭双键结构的聚丙炔醇.The photopolymerization of propargyl alcohol inpresence of trip...
Dig it up once the foliage has died down.叶子掉光后就把它挖出来。The fall foliage glowed red and yellow in the morning sunlight.树叶在秋日的晨曦中泛出红黄色的光。The foliage was soft and feathery.叶子如羽毛般轻软柔和。...
冷水中生物的基础代谢速度要低很多。Basal metabolism is much lower for creatures in cold water.这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.实验者已经成功控制了心跳的速度和频率。Experimenters h...
Already, both sides are jockeying to belittle the other side.双方已经在使出浑身解数贬低对方了。The rival political parties are already jockeying for power...相互竞争的政党已经在耍各种手段争权夺势了。The men on the horses were jockeying about to get into a pr...