Padi
abbr. Professional Association of Diving Instructors 潜水教练员职业工会
🗣️ 情景例句
first we need to know some references.
首先我们得知道你们有哪些备询人。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
This can give rise to curious situations, as it did in the case of Alfred Bloggs who worked as a dustman for the Ellesmere Corporation.
而这常常会引起种种奇怪的现象，在埃尔斯米尔公司当清洁工的艾尔弗雷德。布洛斯就是一个例子。