length
NOUN
1★ [uncountable , countable ] the size or measurement of sth from one end to the other长；长度◆ This room is twice the length of the kitchen.这个房间的长度是厨房的两倍。◆ The river is 300 miles in length. 这条河长 300 英里。◆ The snake usually reaches a length of 100 cm. 蛇一般长达 100 厘米。◆ He ran the entire length of the beach (= from one end to the other). 他从海滩一头跑到另一头。◆ Did you see the length of his hair? 你看见他头发有多长吗?
2★ [uncountable , countable ] the amount of time that sth lasts （持续）时间的长短◆ We discussed shortening the length of the course. 我们就缩短这门课程的时间进行了讨论。◆ He was disgusted at the length of timehe had to wait. 他非常讨厌要等那么长时间。◆ She got a headache if she had to read for any length of time (= for a long time). 她读书时间长了就头疼。◆ Size of pension depends partly on length of service with the company. 退休金的多少部份取决于为公司服务时间的长短。◆ Each class is 45 minutes in length. 每一节课为 45 分钟。
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