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I need a piece of string to tie this parcel up. 我需要一根细绳把这包裹扎起来。
In the control circuit, the digital pulse strings produced by the MCU trigger the thyristors to shift phases, through changing the control angle of the thyristors, the voltage output can changed. 控制电路中，单片机产生的数字脉冲串对晶闸管触发移相，通过改变晶闸管的控制角来改变输出电压的大小；
He tied a string on his finger to jog his memory. 他把一条细绳系在指头上，以唤起记忆。
The child was trailing a toy car on a string. 小孩用绳子拖着一辆玩具车。
An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
It was the latest in a string of hotel disasters. 那是一系列的饭店事故中最新发生的一起。
She's had us all on a string for too long. 我们大家受她摆布已经很长时间了。
Don't cut the string, untie the knots. 别剪断绳子，把结解开。
Harp not for ever on the same string. 勿老调重谈。
He fished a length of string out of his pocket. 他从口袋里掏出一条绳子。
She pulls every string to attain the end. 她想尽一切办法来达到目的。
He knew the pulse of the nation. 他了解国民的心态。
The baby had his mother on a string. 那位母亲对她的婴孩百依百顺。
The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。
The excitement quickened my pulse. 激动使我的心跳加快。
The string is wound round a cardboard cylinder. 线缠绕在纸筒上。
The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
He fish a length of string out of his pocket. 他从口袋里掏出一条绳子。
He knew the pulse of the people. 他了解人民的意向。
I tried to untie the string but failed. 我试图解开绳子，但没有成功。