- 重点词汇
- 天气
weather; climate; element; the elements
- 改变
change; alter; transform; transfer; vary; convert; shift; switch; swing; revise; turn over to; change over; mend ways; switch over; over; alteration; transformation; modification; conversion; mutation; move; break; migration; changeover
- 历史
history; past; annals; past records; historical records; chronicle; historical; historic