- 重点词汇
- 致命
cause death; be lethal; be fatal; kill; risk one's life; fatal; lethal; deadly; mortal; life-threatening; terminal; virulent; malignant; baleful; fatally; lethally; mortally
- 免费
free; complimentary; gratis; courtesy; be free of charge; cost free; cost a dime; cost a penny; for free; at no cost; without payment; grant free of charge
- 下载
download; downloading