flat calm短语¹⁴⁴⁹⁷²⁺² 基本例句 风平浪静 They sleep and the moon and the sun sleep and even the ocean sleeps sometimes on certain days when there is no current and a flat calm. 它们睡觉，月亮和太阳都睡觉，连海洋有时候也睡觉，那是在某些没有激浪，平静无波的日子里。 blog.sina.com.cn Seals basked on boulders in a flat calm. 海面风平浪静，海豹在巨石上晒太阳。 iciba