single adj.单一的；单个的；特指某人或某物；单身的；单人的；单程的n.单程票；单曲；单人房间；单身者；一元纸币；(网球)单打比赛；(板球)一分打；(棒球)一垒打v.挑选(一个)
双语例句
After the start-up time of the dryer, purging of the system may commence. 过了干燥器的预运行时间，可以执行吹扫。
Major potential problem areas include aseptic removal of the BPC from the centrifuge, manual transfer to drying trays and mills, and the inability to sterilize the dryer. 主要的潜在的问题区域包括离心机原料药的无菌除去，手动移动托盘和粉碎机，和无能力将干燥器灭菌。
