人教版选修7_Unit3+Under+the+sea+Language+points(共19张PPT)
人教版选修7_Unit3+Under+the+sea+Language+points(共19张PPT)第3页

n. ① [ c ]证人 The police found the witness to the murder case. There was no witness at the scene of the accident. ②[ c / u ]证词/ 证据 His ragged clothes were (a) witness to his poverty.