Mentally retarded
[医]智能发育迟缓的
🧩 词语组成解析
retarded
[[ri'tɑ:did]]
a. 智力上迟钝的
🗣️ 情景例句
They're here!
他们到了。
It's up in the air.
尚未确定。
It effectively spread the disease all over the continent and drastically reduced the rabbit population.
蚊子把这种疾病扩散到整个澳洲大陆，效果甚佳，结果兔子的数目大为减少。