A torrent of hot wind coursed down Hasselbook Stresse, bending trees almost double, stripping off branches and leaves, and tugging at our blankets.

여기서 특히 bending tress almost double 이 무슨뜻인지 모르겠어요... 두배로 굽힌다?? ㅠㅠ 도와주세요 plz