您要查找的是不是：
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- 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。
- The falling slate sliced into his arm. 落下来的一块石片划破了他的手臂。
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- 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。
- 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。
- 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。
- 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。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- 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。
- Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
- The nurse injected penicillin into her arm. 护士给她的胳膊注射了青霉素。
- Some say that you were health's right arm. 有些人说你曾经是希恩的得力助手。
