Simple past tense and past participle of tread. The grooves carved into the face of a tire, used to give the tire traction. The grooves on the bottom of a shoe or other footwear, used to give grip or traction. The horizontal part of a step in a flight of stairs The sound made...
athe present tense of asked 现在时要求[translate] ai would if i could 如果我可能,我会[translate] a住不进去 Cannot live[translate] alook at these two animals,read and write about them 看这二个动物,闻悉并且写他们[translate] a那个猴子一直在跳。 That monkey is jumping continuously.[translate] ...