ph.
1. I'd jump at the chance to visit America with you.
我会抓住苞会跟你去美国看看。
1. 急忙接受,立即抓住：judging by 从...判断 | jump at 急忙接受,立即抓住 | jump off 开始,开始进攻
2. 看到......时紧张、吃惊、喜悦而跃起：judge of对......作评价 | jump at看到......时紧张、吃惊、喜悦而跃起 | jump for为(因)......而跳跃
3. 争取：Jump down your throat 责骂你 | Jump at 争取 | Just what the doctor order 正是所需的