Prepump
前级泵, 预抽泵
🗣️ 情景例句
the plans for the community center
这项修建社区中心的计划
How long will you be working in Canada?
你将在加拿大工作多久？
Following in his father's footsteps many years later, Sir Malcolm's son, Donald, also set up a world record.
很多年之后，马尔科姆爵士的儿子唐纳德踏着父亲的足迹，也创造了一项世界纪录。