英语词汇unknown cause fire怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
The cause of the fire remained unknown, but a witness said he saw construction materials burning before the fire climbed up the scaffolding and quickly spread.
大火原因尚未查明，但是有目击者称，大火先在脚手架上着火，然后迅速蔓延直至大楼建筑材料起火。
2
The cause of the fire is still unknown.
飞机失火原因目前仍未所知。
3
The cause of the fire was unknown, and it was not clear how many of the injured were children.
火灾原因不明，也不清楚伤者当中有多少是儿童。

单词	unknown cause fire
释义	unknown cause fire 简明释义原因不明火灾网络释义短语 1 unknown n cause fire 原因不明火灾双语例句 1 The cause of the fire remained unknown, but a witness said he saw construction materials burning before the fire climbed up the scaffolding and quickly spread. 大火原因尚未查明，但是有目击者称，大火先在脚手架上着火，然后迅速蔓延直至大楼建筑材料起火。 2 The cause of the fire is still unknown. 飞机失火原因目前仍未所知。 3 The cause of the fire was unknown, and it was not clear how many of the injured were children. 火灾原因不明，也不清楚伤者当中有多少是儿童。
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