您要查找的是不是：
- 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。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- You need to filter the drinking water. 你需要把饮用水过滤。
- No delay! We urgently need these books. 决不要拖延！我们急需这些书。
- I'd like to purchase what I need for the night. 我想要购买过夜所需的用品。
- He knew the pulse of the nation. 他了解国民的心态。
- What I need is nothing but a sample. 我需要的不过是一件样品而已。
- 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。
- One need an agile mind to solve puzzles. 解谜必须有机灵的头脑。
- An ICD can give off the high-energy electrical pulses needed to correct dangerous arrhythmias in the lower chambers of the heart (ventricles). 而当发生致命性的室性心律不齐时，ICD能够发出必要的高能量脉冲来校正它。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- Milk is all we need to nourish a small baby. 我们供给婴儿营养只需喂奶就够了。
- He knew the pulse of the people. 他了解人民的意向。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- You need to put more zing into your playing. 你在这一活动中需要再增加些干劲。
- I need to sit down and rest my weary limbs. 我要坐下歇歇腿。
- We need a yardstick to measure our performance by. 我们的表现需要一个检验的标准。
