extraction
n
1
(a) [U] action of extracting (extract 1a) 取出; 拔出; 强索
the extraction of a tooth 拔牙
the extraction of financial contributions 硬性摊派捐款
the extraction of information 打探消息
[attrib 作定语]
an extraction process at a diamond mine 钻石矿的开采过程.
(b) [C] instance of extracting a tooth 拔牙
He needs two extractions. 他需要拔掉两颗牙齿.
2 [U] (fml 文) descent; parentage 血统; 出身; 家世
an American of Hungarian extraction 匈牙利血统的美国人.
I suggest that we ask users of this machine what they think about it. We can photograph them using it too. Then we can put their comments at the top of the advertisement in big print. We can bring in some humour too. People enjoy reading humorous ads.
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.