2)make or become smaller or shorter(使)变小或短 e.g.Metal contracts as it cools. “Iam”is usually contracted to“T'm”in oral speech 3)settle or arrange by formal arrangement订立合同 e.g.Our shop contracted with a local clothing firm for 100 coats a week. 8.She motions to the native boy standing behind her chair and whispers something to him. (1)motion: 示意，打手势 v.give a signal by moving the hand or head;signal to sb. e.g.The nurse motioned with her finger for me to come Seeing Diana in the doorway,I motioned her to the room I)signal by hand or head(为传递信息用手或头做的)动作 e.g.He made a motion with his hand,as if to tell me to keep back 2)moving运动，移动 e.g.Never get on or off a bus while it is in motion. 3)proposal to be discussed and voted on at a meeting动议，提议 e.g.The motion put forward by the chairman was adopted /carried but the motion by me was rejected. 9.The American comes to with a start. (1)Paraphrase this sentence The American suddenly realizes what is happening and this startles him (2)What can we infer from this sentence? Before he sees a bowl of milk being placed on the veranda,the American naturalist always keeps a relaxed and somewhat indifferent manner (3)come to 1)be aware of,regain consciousness意识到，苏醒 e.g.The driver came to slowly after the accident. 2)(of an idea)occur to sb某人想到，想出 e.g.The idea came to me in the bath. 2) make or become smaller or shorter （使）变小或短 e.g. Metal contracts as it cools. “I am” is usually contracted to “I’m” in oral speech. 3) settle or arrange by formal arrangement 订立合同 e.g. Our shop contracted with a local clothing firm for 100 coats a week. 8. She motions to the native boy standing behind her chair and whispers something to him. (1) motion： 示意，打手势 v. give a signal by moving the hand or head; signal to sb. e.g. The nurse motioned with her finger for me to come. Seeing Diana in the doorway, I motioned her to the room. n. 1) signal by hand or head （为传递信息用手或头做的）动作 e.g. He made a motion with his hand, as if to tell me to keep back. 2) moving 运动，移动 e.g. Never get on or off a bus while it is in motion. 3) proposal to be discussed and voted on at a meeting 动议，提议 e.g. The motion put forward by the chairman was adopted / carried but the motion by me was rejected. 9. The American comes to with a start. (1) Paraphrase this sentence. The American suddenly realizes what is happening and this startles him. (2) What can we infer from this sentence? Before he sees a bowl of milk being placed on the veranda, the American naturalist always keeps a relaxed and somewhat indifferent manner. (3) come to 1) be aware of, regain consciousness 意识到，苏醒 e.g. The driver came to slowly after the accident. 2) (of an idea) occur to sb 某人想到，想出 e.g. The idea came to me in the bath