The verb is pronounced /rɪ'tɑːd/. The noun is pronounced /'riːtɑːd/. 动词读作/rɪ'tɑːd/。名词读作/'riːtɑːd/。
- Noun
-
1. a person of subnormal intelligence
- Verb
-
1. slow the growth or development of;
-
2. cause to move more slowly or operate at a slower rate;
- "This drug will retard your heart rate"
-
3. be delayed
-
4. lose velocity; move more slowly;
- "The car decelerated"
- synonym: decelerate,slow,slow down,slow up


