Retardation

[ [ˌritɑr'deʃən] ]

大学 College

n. 迟延, 妨碍, 阻止\\n[化] 缓聚作用

✅ 同义词

holdup lag lagging lateness slowdown delay detainment retard

rapidity speed speeding speedup velocity celerity

retardation n[U] mental retardation 智力迟钝.

He is,

没有错。

In universities,students train to become teachers and engineers.

在大学里，学生们被训练成为教师和工程师。

The first thing I saw when I entered the art gallery was a notice which said:

走进展厅首先看到的是一张告示，上面写着

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