Concn
abbr. concentration 集中; 集合; 专心; 浓缩
🗣️ 情景例句
The government has adopted many measures to promote its economy.
政府采取了许多措施来发展经济。
By reading we enrich the mind; by conversation we polish it.
读书可以使我门的思想充实，谈话使其更臻完美。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。