vt.& vi. 专心于;注意;集中;聚集;
vt. 浓缩,(使)浓缩;[采矿]汰选;选矿,精选,富集;
vi. 凝缩,浓缩,提纯;
n. 浓缩物;
adj. 集中起来的,经过浓缩的;
con共同+centr中心+ate动词后缀→集中;浓缩
🗣️ 情景例句
Five, five, five, seven, five, three, two.
5557532。
They used to live there, didn't they?
他们过去住在哪里,不是吗?
Why does the idea of progress loom so large in the modern world? Surely progress of a particular kind is actually taking place around us and is becoming more and more manifest.