| 释义 |
calm a.平静的，无风的〖同〗still；镇静的，镇定的〖同〗quiet/vt.使平静，使镇定〖同〗tranquilize
〖题〗The waters of the lake were so ___ that looked like glass. A.silent B.calm C.still D.quiet
〖解〗答案B。句意：湖水平静如镜。calm主要指自然界，如空间，天气，海等毫无骚动，风平浪静；silent强调不作声；still指人或物绝对地不动或没有声音；quiet指没有阻碍和骚扰的静止状态，如指自然界没有活力。
〖词组〗calm down sb.(=calm sb. down)使某人安静下来 |