p a or b

相似词语短语

up a tree───进退两难；处于困境

kia ora───祝你健康（新西兰毛利语的问候方式）；你好（新西兰毛利语的问候方式）

p and p───p和p

双语使用场景

Results indicate that metalloid B or P has a tendency of surface accumulation.───结果显示猝冷之后非金属元素B或P有聚积在表面的倾向。

hemorrhage during operation in group A(central placenta previa or placenta attached to the anterior and side walls of uterus)was distinctly greater than in group B(P───术中出血量在前置胎盘中央型患者A组较B组显著增加（P

From the menu, you may press e on an entry to edit it, c to switch to a GRUB command line, b to boot the system, p to enter a password, and Esc to return to the menu or to the previous step.───在菜单中的条目上按 e 键将编辑条目，按 c 键切换到 GRUB 命令行，按 b 键引导系统，按 p 键输入密码，按 Esc 键返回菜单或上一步。

英语使用场景