1.focus on 专注于
例句:Their talks are expected to focus on arms control.
他们的会谈预计会集中讨论军备控制问题。
2.a handful of 少量的;小部分的
例句:A handful of onlookers stand in the field watching.
少数几个旁观者站在现场观看。
3.artificial intelligence 人工智能
例句:They have made great progress in machine translation and artificial intelligence.
他们在机器翻译和人工智能方面取得了重大进展。
4.clinical practice 临床实践
例句:Eminent senior doctors and dentists taking part in research, teaching or clinical practice.
杰出的高级医生和牙医参加研究,教学和医学实践。