...sharpened pencils.削尖的铅笔Stop clacking your pencils!别弄得铅笔噼啪乱响!We need such expendable supplies as pencils, ink and paper.我们需要象铅笔 、 墨水和纸张这样的消费品.They pause and chew their pencils.他们停了下来，咬着铅笔。They pause and chew their penc...
Unlike synthetic dyes, natural dyes are not dependent on non - renewable resources.与合成染料不同的是, 天然染料不依赖不可再生资源.Conventional dyes are commonly synthetic and originate from petroleum, a non - renewable resource.传统的合成和染料通常来自石油...
Can be used for types that are neither Assignable nor Copy Constructible.可用于既不可赋值也不可复制构造的类型.A type playing the role of assignable - type in Assignable concept.在可赋值概念中担任可赋值类型角色的类型.Launching or starting assignable units wi...