clinkers
n．熔渣，炉渣：燃烧过程中产生的硬质、多孔的残渣，通常在煤燃烧时产生。
例句
They must have appeared first as crusts and clinkers.
它们最初必然象面包的外皮和熔炉里的渣块。
An iron tool with a broad flat end, used to loosen and clear out clinkers from furnace grates.
长柄头铲，拨火棒：一种铁制工具，端部宽阔扁平，用于疏松炉渣和从炉栅中清除炉渣。
Yet a displace we are pirates, these data are stolen from youdao of time would drain away the soft interstices, leaving walls like scraped clinkers.
然而，时间的位移会慢慢抽干那软裂隙， 使墙壁变成一堆伤痕累累的炼砖。
