I never had to clean up after the lodgers. If anything, they did most of the cleaning.
我从来不必在房客们走后做打扫。要做的话，他们做大部分的清扫。
They had no other option but to clean the tunnel but only the parts Alexandre had already cleaned.
他们别无选择，只能清理隧道，但只清理亚历山大已经“清理”过的部分隧道。
The current low fossil fuel price environment will thus certainly delay the energy transition from fossil fuel to clean energy sources.
因此，当前化石燃料价格较低的环境必然会推迟从化石燃料向清洁能源转型的过程。
The towers will stick out of the water and be lit, to warn shipping, and also be designed to be lifted out of the water for maintenance and to clean seaweed from the blades.
这些塔会升出水面并且亮灯，用以警示船只避让，同时也能够完全升到水面以上，以方便维修螺旋桨和清理叶片上的水草。
Drastic measures are needed to clean up the profession.
需要采取极端的措施来整顿这个行业。
The government has pledged to clean up industrial emissions.
政府已保证要清除工业排放物。
Experts are trying to devise ways to clean up the huge slick.
专家们在努力想出清除大面积浮油的办法。
Or maybe now is a good day to clean up?
或者现在是清理的好时机？
Its purpose is to clean up ocean rubbish.
它的目的是清理海洋垃圾。
Some volunteers are going to clean up the central park.
一些志愿者要去打扫中央公园。
When they get to school, they have to clean the classroom.
他们到达学校后需要打扫教室。
Billy's mom had been asking him to clean the attic for months.
比利的妈妈这几个月来一直让他打扫阁楼。
All of us helped to clean up the old people's home except Eric.
除了埃里克，我们所有人都帮老人们打扫了家里卫生。
If you want to clean cars for others, you should at least be 13.
如果你想为别人洗车，你至少应该是13岁。
They used lemon juice, salt or other things to clean their teeth.
他们用柠檬汁、盐或其他东西来清洁牙齿。
He made it a personal goal to clean up the rubbish in the world's oceans.
他把清理世界各地的海洋垃圾作为自己的目标。
Biofilm communities can harbor bacteria longer and are very difficult to clean.
生物膜群落容纳细菌的时间更长且很难清洗。
I came to school early this morning because it was my turn to clean our classroom.
今天早上我很早就来学校了，因为轮到我打扫教室了。
The volunteers are going to clean up the yard of the old people's home this weekend.
志愿者们将在这个周末打扫干净养老院的院子。
Jenna told Jeff to clean it up so they could continue to cook the rest of the porridge.
珍娜叫杰夫把它清理干净，这样他们就可以继续煮剩下的粥了。
All the students in Grade Three are going to clean up the banks of the Xiangjiang River.
三年级的所有学生将清理湘江的江岸。
The more dirt you track in, the more it scratches and the more often you'd have to clean.
你带进屋的灰尘越多，损坏的地方就越多，你需要清理的次数也就越多。
This can be as simple as picking up litter in a park or volunteering to clean up a beach.
这可以简单如在公园捡拾垃圾或自愿清理海滩。
One bright morning I decided to clean my flat, including washing the window on the inside.
一个阳光明媚的早晨，我决定打扫我的公寓，包括擦一下窗户的内侧。
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