您要查找的是不是：
- Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- He hold on to my arm with a tenacious grip. 他紧紧抓住我的手臂不放。
- I felt something crawling up my arm. 我感觉到有什么东西爬上我的手臂。
- He asked for an extension of his visa. 他申请延长签证有效期。
- The falling slate sliced into his arm. 落下来的一块石片划破了他的手臂。
- She had a dilly of a bruise on her arm. 她手臂上有一块显眼的伤痕。
- He fling up an arm to ward off the blow. 他迅速抬起手臂挡开这一击。
- He built an extension onto his house. 他给自己的住宅扩建了一部分。
- I've just seen them going down the road arm in arm. 我刚看到他们臂挽着臂沿着这条道走去。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- She'll let you borrow the car if you twist her arm. 你要是硬要她把汽车借给你，她就借给你。
- The insect bit him and drew blood from his arm. 那只昆虫叮在他的手臂上吸血。
- The money is a shoot in the arm for the company. 这笔钱给这家公司带来了活力。
- We built an extension to our house. 我们扩建了我家的房屋。
- He tightened his grip on her arm. 他紧抓她的手臂。
- His left arm was hurt in an accident. 他的左胳膊在一次事故中受伤了。
- The old woman led her grandson by the arm. 那老婆婆牵着外孙的手。
- He draped his legs over the arm of the chair. 他懒洋洋地把双腿搭在椅子的扶手上。
- Extension of validity of bid shall normally not be requested. 一般来说不应要求延长投标有效期限。
