我在China Daily上遇到两个英语翻译的问题,希望各位指教
句子中用括号标注的部分是不明白的词
1。tye up 的意思
A crippling winter storm lashed the central United States with another blast of freezing rain, sleet and snow, causing widespread power outages and (tying up) highways and airports.
2。teens 的意思
In California's San Joaquin Valley, where much of the state's nearly $1 billion citrus crop is grown, temperatures dropped into (teens) overnight on Friday.