类似房屋所用的栋木刷了沥青。The timbers of similar houses were painted with pitch.屋顶涂抹了一层沥青.The roof was covered with tar.他们用沥青涂盖屋顶.They used pitch to cover roofs....
He always dwell upon the demos of his motherland.他心里经常惦记着他祖国人民.Good for demos or to share with other developers.适于作演示或与其他开发者共享.DEMO 2 ( and all subsequent demos ) extends the code described above.以及接下来的其它演示 ) 扩展了上述的程序....
Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆弱。Goodyear could be vulnerable in a prolonged economic slump.经济长期疲软可能会对固特异公司造成影响。The refugees, without a do...
The extraction of penicillin G with petroleum sulphoxide and di - isooctyl.系统研究了亚砜类萃取剂石油亚砜和二异辛基亚砜萃取青霉素G的性能.A gas chromatography method for the quantitative analysis of isooctyl acid was introduced in this paper.摘要建立了异辛酸合...