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- A blockhouse is a small castle that has four openings through which to shoot. 这四个方向分别为东南西北。
- A blockhouse is a small castle that has four openings through which to shoot. The four openings are facing North, East, South, and West, respectively. 一个碉堡如同一小城堡，在这个城堡的四周有四个开口用以射击。这四个开口分别面向北，东，南和西。
- Given that there are exactly four openings every three years in Rockland County, I knew I couldn’t quit and come back,” says Noyes. 倘若在罗克兰地区每三年只有四个名额，我很清楚我一旦离开就再也回不来了。”
- In the second set an unforced error in game four opened the door for Gasquet to break once again. 第二盘中米尔尼第四局的一次双误又给了盖斯奎特一次破发的机会。
- The viral genome has four open reading frames 开放读码框架
- the system of "Four Open Class Style " “四课”制
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
- The soldiers counted off from the left by four. 士兵们从左起四个一组大声报数。
- He wooed four girls before finally marrying one. 他在结婚之前曾向四个姑娘求过婚。
