voo

Waleed Rashed is the founder of a company that plans to introduce a delivery app called Voo in October. Voo ( the name is meant to suggest the sound of speed) aims to do almost any chore for anyone.

瓦利德•拉希德（Waleed Rashed）是一家公司的创始人，该公司计划在10月推出一款名叫Voo的快递手机应用。Voo（这个名字让人联想起飞速移动的声音）旨在为所有人提供几乎所有的跑腿服务。

Voo might, for example, pick up keys you left at a friend's house and return them to you within an hour for an average of$ 5, he said.

比如说，Voo可以在一个小时内帮你拿回留在朋友家里的钥匙，再交还给你，平均只需5美元，他说。

METHODS: 15 elderly male mongrel dogs were randomized to pacing group ( 10 dogs) and control group ( 5 dogs). Type of VOO animal pacemakers were implanted into the 10 dogs by percutaneous right external jugular vein puncture.

方法：雄性老龄犬分为起搏组（10只）和对照组（5只），起搏组在x线下经皮穿刺右颈外静脉植入VOO型起搏器，对照组仅植入起搏器而不起搏。