If a player gets all four words in a set correct, those words are removed from the board. Guess wrong and it counts as a mistake—players get up to four mistakes until the game ends.
多普勒效应与频移当波源与观察者存在相对运动时，观测到的频率会发生变化。救护车驶近时警笛声更尖锐，远离时更低沉，这正是多普勒效应。
美媒披露特朗普离任前承诺实施大规模赦免02:31
察普科犯罪团伙成员维亚切斯拉夫·切波维亚兹在监狱服刑期间视力几近失明，此前该囚犯大啖螃蟹等海鲜的照片曾在多家媒体广泛传播。据Shot电报频道报道。