ad: 短语和例子AD,A.D.=1. Active duty 现役。2.assembly district (美国某些州的)选区。3.〔拉丁语〕 Anno Domini 公元。n.〔美俚〕广告。 an ad balloon 广告气球。 an ad police 对竞选宣传进行监督的人[机构]。n.【网球】打成平局后得分 ＝ advantage. ad in (打成平局后)发球人得
But also , this criticism is not entirely ad hominem anyway : i do indeed have a less detailed idea of how hard some techniques might be to develop than people who have laboratory experience of doing similar things 但无论如何，这种批评也不是完全从个人偏见出发：我确实对某些技术的发展难度，比做相似事情的、有实验室经验的人，知道得较少。
