lead one to a blind alley  引入歧途

One Test  一项试验

One-one  一对一的

one-one (=injective)  单射的; 一一的

one-one mapping  一一映射

put one one’s thinking cap  动脑

Two one one Team  陕西省核工业地质局二一一大队

black test lead  黑色试验引线

circuit test lead  回路试验引线

red test lead  红色测试导线

test lead  熔点试验; 试铅; 试验引线; 试验端; 测试引线

test lead kit  试验引线组

test lead set  试验引线组

lead lead method  铅铅法年龄测定

lead-lead age  铅同位素年龄

red lead lead tetroxide  四氧化三铅

test tube test tube brush test tube holder test tube rack  试管

One class elementary school; One room school; One teacher school; Single room school  单班小学

one class school; one room school; one teacher school; single room school  单班学校