一种叫作套管针的器械会在腹壁上扎一个小孔。
An instrument called a trocar makes a puncture in the abdominal wall.
他对科学和自然史非常感兴趣，且他对电和闪电的实验直接推动了避雷针的发明。
He was deeply interested in science and natural history and his experiments with electricity and lightning led directly to the invention of the lightning rod.
他觉得自己进入了一个装满了大小不一的尖针的针盒。
He imagined he had got into a needle-case full of pointed needles of every size.
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