过去片子是用石蜡固定到金属板上.Historically, wafers were waxed onto a metal plate.石蜡具有溶解油脂的特性.Paraffin has the property of dissolving grease.石蜡并不是良好的钝感剂.Paraffin , however, is not a good phlegmatizing agent....
Local conditions, especially the presence or absence of oxygen, affect Biodegradability.地方的情况(特别是有氧或无氧)影响着生物降解.Starch has abundant resources , low price and natural biodegradability.淀粉产量丰富, 价格低廉,具有天然的生物降解性.Biodegradabili...
我知道这是他拉拢我,好让我俯首贴耳地为他效劳.I knew he was trying to wheedle me into being at his beck and call.横眉冷对千夫指, 俯首甘为孺子牛.Fierce - browed , I coolly defy a thousand pointing fingers ; headbowed , like a willing ox I serve the children....