请问在句子：
Ancient Romans observed New Year's Day on March first.
中，“observe"怎么理解？能否造几个例句？thanks!
參考答案:observe有三个重要的意思1.观察2.遵守3.庆祝，在这里是“庆祝”的意思。
给你补充一点字典上的东西。
－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
observe
[Eb5zE:v]
vt.
观察, 观测, 遵守, 评述, 说
observe
ob.serve
AHD:[…b-zûrv“]
D.J.[*b6z*8v]
K.K.[*b6z)v]
v.（动词）
ob.served， ob.serv.ing， ob.serves
v.tr.（及物动词）
To be or become aware of, especially through careful and directed attention; notice.
注意，觉察：觉察到，尤其是通过仔细和直接的注意；注意
To watch attentively:
观察：聚精会神地看：
observe a child's behavior.
观察一个孩子的行为
To make a systematic or scientific observation of:
观测：对…作系统的或科学的观察：
observe the orbit of the moon.
观测月球的轨道
To say casually; remark.
评论：随便地说；发表意见
To adhere to or abide by:
遵守：遵守或服从：
observe the terms of a contract.
遵守合同的条款
To keep or celebrate (a holiday, for example):
庆祝：保留或庆祝（如，节日）：
observe an anniversary.
庆祝周年纪念日
v.intr.（不及物动词）
To take notice.
观察
To say something; make a comment or remark.
评论：说；评价或发表意见
To watch or be present without participating actively:
看：观看或出席而不积极参与：
We were invited to the conference solely to observe.
我们被邀请，不过只是出席会议而已
Middle English observen [to conform to]
中古英语 observen [与…一致]
from Old French observer
源自 古法语 observer
from Latin observ³e [to abide by, watch]
源自 拉丁语 observ³e [遵守，看]
ob- [over] * see ob-
ob- [在…上] *参见 ob-
serv³e [to keep, watch] * see ser- 1
serv³e [保留，看] *参见 ser- 1
observ“ingly
adv.（副词）
observe， keep， celebrate， commemorate， solemnize
These verbs are compared as they mean to give proper heed to or show proper reverence for something, such as a rule, custom, or holiday.
当这些动词都表示给予一定注意或对某些事物，如对规定、习惯、或节日表一定尊敬时。
Observe stresses respectful adherence, as to law or tradition, often in the form of compliance with prescribed rites:
Observe 强调尊敬性的遵从，如对于法律或传统，常常以遵守规定的礼仪仪式为形式：
observe the speed limit;
遵守速度限制；
observe the Sabbath.
信守安息日。
Keep contrasts withbreak and violate; it implies actions such as the discharge of a duty or the fulfillment of a promise:
Keep 相对于break 和 violate； 它暗含有如未尽职责或没有实现诺言等行为：
He said he would help, and he kept his word.
他说过要帮忙的，他兑现了。
Celebrate in this comparison emphasizes observance in the form of rejoicing or festivity:
Celebrate 在这项比较上强调以欢乐或喜庆形式的遵从：
We are planning a surprise party to celebrate her birthday. To commemorate is to honor the memory of a past event;
我们正为他的生日而准备着一个惊奇的派对。 而commemorate 是对过去的事件的记忆的尊敬；
solemnize implies dignity and gravity in the celebration of an occasion:
solemnize 暗含某一庆祝场面的庄重和严肃：
“It [July 2, 1776] ought to be commemorated as the day of deliverance . . . It ought to be solemnized with pomp and parade . . . from one end of this continent to the other, from this time forward forevermore” (John Adams).See also Synonyms at see 1
“它〔1776年7月2日〕 应作为诞生之日来纪念…… 应用壮观的典礼和游行来隆重庆祝……从这片大陆的这头到那头，从此时到永远” （约翰·亚当斯）参见同义词 see1
observe
ob- 在；到；附近+ 拉丁词根serv 保护，维护，引申出“观察”)
用法见 see
