All three men were hot, dirty, and exhausted.三個人都是又熱、又臟且精疲力竭。The wind whistled through the twigs and fretted the occasional, dirty - looking crocuses.寒風穿過枯枝, 有時把發臟的藏紅花吹刮跑了.A white dress gets dirty very fast.白色的衣服臟得快。...t...
為保證操作人員的人身安全安裝了槳葉保護罩。A blade guard is fitted to protect the operator.我們也許可以用槳把自己推過去。We might be able to push ourselves across with the paddle.10英尺長的槳拿起來感覺很笨重。The ten-foot oars felt heavy and awkward....
當脫硫劑累計飽和硫容達20%時,可用于生產硫酸.It was useful forH 2 SO 4 production when the accumulative saturationS capacity reached 20 %.目前使用氧化鈣復合的鎂基脫硫劑較為合理.It is rational to use complex desulphurization agent for pretreating hot metal.用途: ...