The classification, machanism and mordant dyeing methods of natural plant dyeing are described.描述了天然染料植物的分类 、 染色机理和媒染方法.The paper presented the machanism of pulse oxygen inhalation andthe electrical principle of pulse ox...
Let one’s thoughts of boundless love pervade the whole world--above, below and across--without any hatred, without any enmity.让我们心中无限的爱能遍布整个世界，无论在宇宙的那一个角落，都没有丝毫的怨恨和敌意。He is a man of apparently boundless optimism.他显然是一个极度...
The two policemen were joined by another policeman also carrying a pistol.另一名持枪警察和那两名警察会合了。He drew his pistol and aimed at the enemy soldier.他拔出枪对准敌兵.He gripped his pistol tightly, just in case.他握紧手抢, 以防万一....