00:00 / 00:00
播放/暂停
停止
播放时:倒退3秒/复读时长按:回退AB段
播放时:快进3秒/复读时长按:前进AB段
拖动:改变速度/点击:恢复正常速度1.0
点击:复读最近5秒/拖动:改变复读次数
设置A点
设置B点
取消复读并清除AB点
News Words: Chemical Weapons

Chemical weapons are weapons that produce poisonous smoke or gas, or liquids that can burn the skin. Watch the video and see how the words are used in the news.