| 释义 |
roll (obj) SOUNDHrEJl, $roJlvto make a continuous repeated sound发出连续的声音The drums rolled as the acrobat walked along the tightrope. [I]杂技演员走在钢索上时，鼓咚咚地响着。If you roll your r's, you pronounce them with your tongue moving quickly and repeatedly against the top of the mouth.发r的舌尖颤音The Italians roll their r's. [T]意大利人发r的舌尖颤音。
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