她把自己打扮得漂漂亮亮,像个十八岁的女孩子.She dolled herself up as though she has been a girl of eighteen.未逾 四十八 岁的悲观主义者,是知道得太多之人; 而年逾 四十八 岁的乐观主义者,是知道得太少之人.The man who is a pessimist before forty - eight knows too much; the man who is an op...
从具有不同骨料粒度的立方浇注块中切出方形板块.Square slabs were cut from cubes cast with various aggregate sizes.此面积的大小由骨料粒度决定.The aggregate size determines the area.膨胀性粘土缺乏细料部分,故必须添加其它骨料.The lack of fine fractions in the expanded clay necessi...