It depends on how full the class is and how many additional students the professor is willing to let in.
这取决于课堂有多满，以及教授愿意让多少额外的学生加入。
As a preventative measure, we are told to let in fresh air by opening the windows and not to use the air conditioners.
作为一项预防措施，我们被告知要打开窗户让新鲜空气进来，而不要使用空调。
Houses built before 1939 use about 50% more energy per square foot than those built after 2000, mainly due to the tiny cracks and gaps that expand over time and let in more outside air.
1939年以前建造的房屋每平方英尺消耗的能源比2000年以后建造的房屋多50%，这主要是由于微小的裂缝随着时间的推移而扩大，更多的外部空气进入了裂缝。
The question is how many and what sort of people Britain should let in from elsewhere.
问题在于英国应该允许多少人允许什么样的人从别的国家进入英国。
Open a window whenever you can to let in some fresh, cleansing air. The air outside is cleaner.
尽量打开窗户让新鲜、净化的空气涌入，外面的空气更清新。
Many in Brussels think the EU let in Bulgaria and Romania, which will join in January, prematurely.
布鲁塞尔的很多人认为欧盟让保加利亚和罗马尼亚在明年一月份加入还为时过早。
To you, leaving that window open just a crack during the day is a way to let in a little fresh air.
对于你来说，在白天把窗户打开出一条缝隙是为了呼吸一点新鲜空气。
Too much and it will let in water which will make the formation of those pesky hydrates more likely.
而吸油太多，则会使底部海水渗入，从而更易生成那些烦人的水合物。
Getting out in the sunshine and breathing some fresh air can open your mind and begin to let in positive thoughts.
出去吸收一些阳光，呼吸一些新鲜空气，可以帮你打开心扉，并开始让你积极思考。
To you, leaving that window open just a crack during the day is a way to let in a little fresh air. To me, it’s an invitation.
白天你把窗户打开一点，对你来说是想让新鲜空气进来，对我来说这是发出的邀请，哈哈。
If a pattern match is found, the connection is let in, or more precisely, TCPD dies and lets the real serving daemon take over.
如果找到匹配的模式，就允许连接，或者更准确地说，tcpd死亡，让真正提供服务的守护进程接管。
Spain let in 15,731 foreign recruits under its “contingente” scheme in 2008, but slashed the quota to a tiny 901 this year.
2008年西班牙通过“临时计划”准入了155，731外国雇员，但是今年把整个配额锐减到极少的的901人。
Sometime before we reach that point, there are chances, Windows that can be thrown open to let in some fresh air and sunlight.
在我们还没到那种地步之前，其实还是有机会的。我们可以使窗户开着来接收新鲜的空气和阳光。
The outside of the Villa Saitan building is covered with leaf shaped holes that let in light and add character to the structure.
公寓的外墙上是一些叶子形状的孔洞，既实现了采光的需求，也为整座大楼平添独特的个性。
A commission report showed that the three countries (Britain, Ireland and Sweden) that let in workers from the east in 2004 all gained.
据一份委员会的报告显示，三个接纳东欧外来劳工的国家(英国、爱尔兰、瑞典)在2004年皆有所获利。
It got worse when they opened the Windows to let the tear gas out and also let in a hard wind off the Texas plains, which stoked the flames.
他们打开窗户，克萨斯大平原上的强风乘势刮了进去，风助火势，情况更糟糕了。
Or perhaps your daughter felt you might tell other people outside the immediate family whom she was not yet prepared to let in on her secret.
又或者也许你的女儿认为你会告诉其他人这件事，而她还没有做好准备让她的秘密曝光。
As budgets are cut, universities will let in fewer students, prisoners will be released early and schemes to protect the vulnerable will be rolled back.
也因预算的削减，大学招生数也下降了，犯人将提早获释。一些保护弱势群体的方案也降至最低水平。
It could also be used to develop Windows that maximise the amount of light they let in and to create brighter LEDs and computer displays that use less energy.
该技术同时可以用在窗户上最大限度的让可见光进入，或者制造更高亮度的LEDs和电脑显示屏同时降低能耗。
During the heat of the day, the glass panels' transparency can be manipulated to let in very little light, and later, when it's cooler, daylighting can be extended.
白天高温时，透明的玻璃面板能让很少的光透过，然后，天气变冷时，采光可以被延长。
He verbally described his solution: a dome within a dome, octagonal in shape, capped by a lantern to let in light, all of which would be constructed without scaffolding.
他口头描述了他的设计方案：在穹顶内嵌入一个八角形穹顶，上面开个天窗以保持光线充足，所有过程无须要一个脚手架。
Recently I've seen sliding bathroom doors with big gaps below and on either side, Windows in showers, and louvered walls that let in light, and along with it sounds.
最近我看到楼下或相邻的浴室之间滑动门有很大的间隙，或者在两个浴室之间开着有灯的百叶窗，还有传过来的声音。
These hexagonal transparent areas not only let in extra light to the Forvision's cabin but also capture the sun's energy to power the car's interior lighting and climate system.
这些六边形的透明区域并不仅仅增加了进入车体的光线，还可以吸收太阳能以维持车内照明和温控系统的正常运作。
These hexagonal transparent areas not only let in extra light to the Forvision's cabin but also capture the sun's energy to power the car's interior lighting and climate system.
这些六边形的透明区域并不仅仅增加了进入车体的光线，还可以吸收太阳能以维持车内照明和温控系统的正常运作。
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