Lefteriu莱夫特留leftadj.左边的adv.向左n.左边；左派分子；【体】左手拳动词leave的过去式和过去分词形式.left principal bronchus左主支气管left atrial tachycardia左心房性心搏过速left atrial enlargement左房增大left gastroomental vein胃网膜左静脉left-wing association左联left-handed trihedral左手三面形left-lateral movement左旋运动left ventricular ectopy左心室异位left- behind children留守儿童leftist groups/views左派团体/观点

1. Bend gently to the left without straining.
   轻轻向左弯，不要用力。