Major Winter Storm Could Cause Travel Nightmare
https://www.youtube.com/watch?v=wn8flwz5Ovc 1:57 tractor-trailers jackknifing 凍結路でトレーラーが「V」字状に折れ込んでいる。
https://www.youtube.com/watch?v=e5KOt-AYti4 1;59 it took 5 jeeps with the drivers working together to help free tractor-trailer that jackknifed across the highway.
参考リンク
http://bridge-english.blogspot.jp/2015/04/blog-post_20.html トレーラーを英語でなんと言うか?
練習問題解答
b-3111 jackknife
b-6745 jackknifed