needle

1. N-COUNT A needle is a small, very thin piece of polished metal which is used for sewing. It has a sharp point at one end and a hole in the other for a thread to go through. 针

He took a needle and thread and sewed it up. 他取来一根针和线并把它缝起来。

2. N-COUNT A needle is a thin hollow metal rod with a sharp point, which is part of a medical instrument called a syringe. It is used to put a drug into someone's body, or to take blood out. 注射针

...the transmission of the AIDS virus through dirty needles. …爱滋病病毒通过不洁注射针头的传播。

3. N-COUNT Knitting needles are thin sticks that are used for knitting. They are usually made of plastic or metal and have a point at one end. (编织) 针

...a pair of knitting needles. …一副编织针。

4. N-COUNT A needle is a thin metal rod with a point which is put into a patient's body during acupuncture. (针灸用的) 银针

I gave Kevin a course of acupuncture using six needles strategically placed on the scalp. 我给凯文进行了一个疗程的针灸治疗，把6支银针分别扎在头皮的关键穴位上。

5. N-COUNT On an instrument which measures something such as speed or weight, the needle is the long strip of metal or plastic on the dial that moves backward and forward, showing the measurement. (仪表上的) 指针

She kept looking at the dial on the boiler. The needle had reached 250 degrees. 她一直看着锅炉上的刻度盘，指针已经到达250度。

6. N-COUNT The needles of a fir or pine tree are its thin, hard, pointed leaves. (杉树、松树等的) 针叶

The carpet of pine needles was soft underfoot. 松针铺成的地毯在脚下软软的。