Nine is usually thought of as a lucky number because it is the product of three times three.
9通常被认为是一个幸运数字，因为它是3乘以3的乘积。
Five times three is fifteen.; 5 multiplied by 3 is 15.
5乘3等于15。
And I am going to say that the area will be the sum of three terms, which are three bases times three heights.
而我们要考虑的面积就是3项之和，就是这3个底边乘以这三个高的积。
He failed his driving test three times.
他考了三次驾驶执照都没通过。
I was sick three times in the night.
夜里我吐了三次。
I stalled the car three times during my driving test.
我考驾照时车子熄了三次火。
The Fed has already eased rates three times since late October.
美联储自十月底以来已三次降低利率。
He disciplined himself to exercise at least three times a week.
他规定自己每周至少锻炼三次。
He knocked his opponent down three times in the first round.
他第一局就将对手击倒三次。
The prisoners subsisted on one mug of the worst quality porridge three times a day.
犯人一天三次靠一杯最差的粥维持生活。
The game has already been postponed three times.
这场比赛已经三度延期了。
That's three times she's beaten me—I must be slipping !
她已经赢了我三回了—我一定是退步了！
When he condescended to speak, he contradicted himself three or four times in the space of half an hour.
当他屈尊讲话时，半小时内有三四次前后矛盾。
He knocked three times and waited.
他敲了三下门就等着。
As was his custom, he knocked three times.
他敲了三下，这是他的习惯。
It was her job to make tea three times a day.
她的任务是每天泡3次茶。
He passed the rope around the post three times to secure it.
他把绳索在柱子上绕了三匝缠紧。
The telephone rang three times before I heard a click and then her recorded voice.
电话响了3次后我听到了咔嗒一声响，然后是她的录音留言。
Even if you are not prepared to work up a sweat three times a week, any activity is better than none.
即使你不准备1周流3次汗，任何活动总比没有要好。
每天要服用这个三次。
You've rung me three times today.
今天你打了三次电话给我了。
We've been introduced about three times.
我们已经被介绍过三次了。
Tom has rung up three times this morning.
今天早上汤姆已经打了三次电话。
I brush my teeth three times a day.
我每天刷三次牙。
She exercises two or three times a week.
她一周锻炼两三次。
He walked around the block three times.
他绕着这个街区走了3圈。
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