prime adj.最好的；首要的；典型的n.壮年；全盛时期；青春n.[数]质数vt.事先指点；在（金属、木材等上）打底漆vi.变得首要
双语例句
The contractor gave assurances that the work would be completed on time. 承包人表示过保证按时完工。
For embedded concreting, available details in concrete shall be fulfilled by the civil Contractor under the Bidder's supervision. 关于装入的混凝土的细节问题，工程承包人必须在投标人的监督下给与解决。
