1. be downgraded to 降级为……
Durian has been downgraded to a tropical storm and is heading west across the Gulf of Thailand.
榴莲已经降级为热带风暴，正穿过泰国湾向西移动mL|@j#V&ZdI~3。

2. sustained winds 持续风力
Forecasters said Gustav was moving faster than expected as it marched toward the coast with top sustained winds of around 115 mph.
天气预报说，“古斯塔夫”向沿岸移动的速度要比预计的快，最高持续风力达到每小时115英里左右6gOBMddK_tNNFt)rWD。

3. be expected to do sth. 原以为
The little girl was expected to be dead , but she was rescued by someone actually.
人们原以为那个小女孩已经死了，但是实际上她获救了yk8[.FfRK+=89。

4. in effect 生效
Currently evacuation order is not in effect for New Orleans.
目前，疏散令在新奥尔良尚未生效h)squqC@&b。