The free fluorin content in liquid multi - vitamin was quantitatively analyzed by using a simple potentiometric titration.使用简单的电位滴定法定量分析维生素中游离氟的含量.Single aerosol particles inin winter 2004 were analyzed by proton micropr...
He was a twinkling - eyed, pimple - faced man, with his hair standing upright all over his head.他这个人,两只眼直眨巴, 满脸都是粉刺儿, 满头的头发都直挺挺地扎撒着.I applied some pimple cream on the big zit on my face.我在脸上的大痘痘上涂了些痘痘药膏.The toothpaste de...
He was watching a performance from the balcony.他正在从楼厅上看电影。The balcony juts out over the swimming pool.阳台伸出在游泳池上方.Chris unhooked the shutters and went out on the balcony.克里斯拉开百叶窗，走到了阳台上。A balcony overhangs the door below ...