tuna
n
(pl unchanged or ~s 复数或不变或作tunas)
(a) (also tunny) [C]
large sea-fish, eaten as food 金枪鱼(大海鱼, 可食).
(b) (also `tuna-fish) [U]
its flesh as food (食用的)金枪鱼肉.
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.
Being a good listener means much more than just listening with ears. Eyes mean that I should look at you while you are speaking as a sign of respect. In other words I should not watch TV, or look over your shoulder at other people while we are talking