commencement

英 [kəˈmensmənt]

美 [kəˈmensmənt]

n. 开始; 开端; 学位授予典礼; 毕业典礼

BNC.12251 / COCA.13566

牛津词典

noun

开始；开端
beginning
1. the commencement of the financial year
  财政年度的开始
学位授予典礼；毕业典礼
a ceremony at which students receive their academic degrees or diplomas

N-UNCOUNT 开始
Thecommencementof something is its beginning.
1. All applicants should be at least 16 years of age at the commencement of this course.
  申请修读这门课程者至少要年满16岁。
学位授予仪式;(大学或高中的)毕业典礼
Commencementis a ceremony at a university, college, or high school at which students formally receive their degrees or diplomas.

in BRIT, use 英国英语用 graduation

noun

the act of starting something
1. he was responsible for the beginning of negotiations
Synonym:beginningstart
an academic exercise in which diplomas are conferred
Synonym:commencement exercisecommencement ceremonygraduationgraduation exercise
the time at which something is supposed to begin
1. they got an early start
2. she knew from the get-go that he was the man for her
Synonym:beginningfirstoutsetget-gostartkickoffstarting timeshowtimeoffset

I feel as if commencement address will never end.
我觉得毕业典礼的致辞好像永远不会结束似的。
Hold a field work conference with the Contractor before commencement.
作业前与承包商召开现场工作会议。
LIKE practically everyone else, I gave a commencement speech last week.
像几乎所有人一样，我上周也进行了毕业典礼演讲。
I became sick of commencement speeches at about your age.
在和你们差不多大的时候，我开始厌倦毕业典礼上的演讲。
Then I went to look up what commencement meant.
然后我才去查“毕业典礼”是什么意思（众人笑）。
Any changes on commencement date shall be informed to you in advance.
对于开始日期的任何变动，我们都将提前通知您。
Lessee must be given a Disclosure Statement and Draft Lease at the commencement of negotiations.
承租人在谈判开始时必须得到该店铺的详情披露和草拟租约。
Would passengers please put out cigarettes before the commencement of the flight.
请乘客们在飞机起飞前熄灭香烟。
The president will deliver a speech at our commencement.
校长将要我们的毕业典礼上发表演说。
Written documentation evidencing this certification must be on file with owner prior to commencement of work.
必须在开始工作前，将证明该认证的书面文件提交给业主。