pb
「pb」的意思
abbr. 出版局（Publication Board）
n.plumbum [化]铅
「pb」的用法
pb铅 - 用于电路连接
「pb」的例句
The lead wire is connected to the battery.
铅线连接到电池。
He used a lead pencil to write.
他用铅笔写字。
The building has a lead roof.
建筑物有铅屋顶。
She took a lead role in the play.
她在剧中扮演主角。
The team took the lead in the competition.
团队在比赛中领先。
He gave her a lead in the game.
他在游戏中给了她领先优势。
The recipe calls for a lead time of two hours.
食谱需要提前两个小时准备。
He is the leader of the group.
他是小组的领导者。
She has a lead in sales.
她在销售方面领先。
The project is on schedule with a lead time of three days.
项目按计划进行，提前三天完成。