她用镐和平锹挖地基。She dug the foundation with a pick and shovel.碎砖石可以用来铺路基和庭院地基。Brick rubble is useful as the base for paths and patios.如果地基不牢，房子将会倒塌。If the foundations are flawed the house will come tumbling down....
The historic building is as much part of our heritage as the paintings.这座历史建筑和这些画一样，都是留给我们的文化遗产的一部分。They take great pride in their heritage.他们为自己的历史传统深感自豪。Palace has released two marvellous films that pay homage to our l...
He had no sooner got his wings than the Korean conflict broke out.他刚获得飞行资格，朝鲜战争就爆发了。The wings of fortune could be heard whirring over his head.可以听到幸福的羽翼在他的头上呼呼地在振响着.The red marks of the wings and tail's projections ...
A brief review of chloroplast structure is useful before discussing these experiments.在讨论这些试验以前,对叶绿体结构作一简短的概述是有益的.The chloroplast envelope has the light yellow color of violaxanthin.叶绿体的套膜有紫黄质的淡黄色.Chloroplast ribosomes c...