146. conceive of (think of, imagine, consider)設(shè)想
a) Half a century ago it’s difficult to conceive of travelling to the moon半個(gè)世紀(jì)前去月球旅行是難以想象的。
147. be concerned with (=about) 關(guān)心 關(guān)注
a) We're rather concerned about father's health. 我們相當(dāng)擔(dān)心父親的健康。
148. concern oneself about 關(guān)心 (concern及物)
a) We're rather concerned about father's health.
b) 我們相當(dāng)擔(dān)心父親的健康。
149. concern oneself with 關(guān)注
a) to concern oneself with public work 關(guān)心公眾事務(wù)
150. in conclusion(=as the last thing) adv最后, 總之; at the conclusion of 當(dāng)…結(jié)束時(shí);
a) In conclusion, walking is a cheap, safe, enjoyable and readily available form of exercise.