- 重点词汇
- 世界
world; globe; earth; universe; creation; worldwide; internationally; geo-
- 存在
exist; be; lie; live; obtain; survive; subsist; reside; find; bubble; occur; make; consist in; pertain; limit to; existence; being; survival; presence; occurrence; existent; present; -dom; there; existentially; in existence; as an existence
- 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
- 病毒
virus; viral