【析句】整句话只有一个长句,但包含了几个从句。主句为did you know that..., that引导宾语从句,宾语从句的主句为the lighting is flashing up...,其中又包含从句we see flashing down...cloud作定语从句修饰the lightning。
3. When children understand that the light of the lightning flashing reaches their eyes almost at the same moment, but the sound of the thunder takes about 5 seconds to travel just one mile, they can begin to time the interval between the flash and the crash to learn how close they were to the actual spark.
【译文】当孩子们明白闪电发出的光几乎同时到达他们的眼睛,而雷声约五秒钟才传播一英里,那他们就可以开始给闪电和雷声之间的间隔计时,以了解自己离实际火花的远近。
【析句】多重复合句,主句they can begin to time the interval...to learn how close they were..., 主句中包含从句,how close they were作learn的宾语从句,注意time此处作动词,意为给...计时。when children understand that为时间状语从句,that引导understand的宾语从句,宾语从句中,主句为the light of the lightning reaches their eyes, but the sound of the thunder takes about ..., but连接构成转折关系的同级简单句。
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