clear是清理，throat是喉咙，那clear your throat你一定猜出来了！
She decided to take a short break to clear her head before making an important decision. Before starting his speech, he cleared his throatto ensure his voice was steady. After the hearing test, the ...
来自MSN5 天
虎鲸只吃灰鲸的舌头，为什么不吃其他部位？
动物界有几大流氓行为， 最著名的就是虎鲸喜欢壁咚未成年须鲸玩法式舌吻。 对此，虎鲸却大喊冤枉。 这一切的背后到底是道德的沦丧还是鲸性的扭曲？ 在这之前咱先了解下受害鲸的基本状况。 须鲸族（Balaenopteridae），号称海洋灭霸，[1] ...