occasion:

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单词简介

详解与例句

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同义词

反义词

	词缀： oc-向，在前；在...之上to, toward, before, in fornt; upon, over
	词根： cad下落，死亡to fall, to die

	可数名词 n.[C] 机会；时机
	a certain time, time when something happens
	· I'll speak to him on the first occasion. 一有机会，我就告诉他。 · He turned his back on the occasion of seeing the film. 他放弃了看电影的机会。 · I have travelled in an aeroplane on three occasions. 我坐飞机旅行已经三次了。
	可数名词 n.[C] （重大的）时刻；场合；盛事
	special time
	· A wedding is a big family occasion. 婚礼是家庭中的一件大事。 · This was a great occasion,there were flags everywhere,the band was playing,and everybody was most excited. 这是一个盛大的场面，旗帜到处飘扬，鼓乐齐呜，人人都很兴奋。 · I send you my best wishes on this happy occasion. 值此欢乐的日子，谨向您致以最良好的祝愿。
	可数名词 n.[C] 需要；理由
	need
	· I will write and let you know if the occasion arises. 必要时我会写信告诉你的。 · There is no occasion to refuse. 没有什么可以拒绝的理由。 · There's no occasion to be angry. 不必生气。

	on another occasion	on one occasion
	on several occasions	for the occasion
	on occasion

	n. 时刻，时机，条件
		case circumstance condition conjuncture instance situation spot time
	n. 理由，动机
		cause determinant excuse explanation fountainhead ground impulse incentive incitement inducement justification mainspring motivation motive origin rationale reason source warrant
	n. 机会，时机
		chance opening opportunity season stage
	n. 事务，事件
		adventure affair episode event happening incident observance occurrence service
	v. 引起，生成，给···机会
		beget begin breed cause contingent create effect elicit engender factor festival generate induce make motivate once originate produce prompt provoke sake start thing