1·He passed an electric spark through a mixture of gases.
他使一束电火花穿过一团气体混合物。
—— 《柯林斯英汉双解大词典》
2·Benjamin Franklin wondered about lightning he combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing.
本杰明·富兰克林不明白闪电是怎么回事。他把这种好奇加上了自己的想像，进行了那个著名的实验，证明了闪电与电火花是一个原理。
3·He pointed out that although direct contact with electric spark my body or face, but the whole process very safe.
他指出，虽然电火花直接接触我的身体或面部，但整个过程非常安全。
4·Objective: Studied on mechanism and clinical effectiveness for the cervical vertigo with drug electric spark.
目的研究药物电火花疗法治疗颈性眩晕的机理及临床疗效。
5·Last time I played with a can, an electric spark ignited the liquid part and I lost my eyebrows.
上一次我与一位可以扮演一个电火花点燃液体的一部分，我失去了我的眉毛。