【导语】以下是免费为您整理的九年级下册英语语法归纳，供大家学习参考。

　　1.aloud adv.出声地使别人能听得到
　　Reading aloud is a good way in leaning English.
　　朗读是学英语的一个好方法。
　　▲loud adj. 大声的，声音洪亮的，loud—louder—loudest
　　He talked in a loud voice so that everyone could hear him.
　　他说话声音很大以便于每个人都能听得到他。
　　▲adv. loud—louder—loudest
　　Don’t talk so loud.The kids are reading.
　　说话小声些，孩子们正在看书。
　　Speaklouder，please!
　　请再说高一些!
　　▲loudly adv吵吵闹闹地，噪声地
　　I heard someone knocked loudly at the door.
　　我听到有人在使劲敲门。
　　They are talking loudly in the next room.
　　他们在隔壁说话声很大。
　　2.voice n.噪音，鸟鸣声
　　She has a sweet voice.
　　她声音很甜美。
　　She raised her voice so that she could be heard.
　　她提高了嗓音队便于别人能听清楚。
　　He lost his voice./He had no voice because of the cough.
　　因为咳嗽，他失声了。
　　▲noise n噪音，吵闹
　　Don’t make so much noise.
　　别弄出那么大的噪音。
　　I heard a strange noise outside.
　　我听到外边奇怪的声音。
　　▲sound n.自然界中的声音，响声
　　Sound travels slower than light.
　　声音的传播比光慢。
　　3.memory n.计算机的储存器
　　A lot of information is stored in the memory.
　　计算机的储存器能储存很多信息。
　　▲n.记忆力
　　He has a poor memory after the car accident.
　　车祸后他的记忆力很差了。
　　▲n. 回忆，怀念
　　I have a pleasant memory of my childhood.
　　我对童年有美好的回忆。
　　▲memorize/memorise vt. 记住，背过
　　He can memorize new words very quickly.
　　他能很快记住很多单词。
　　4. frustrate vt.使失望，使沮丧
　　The serious illness frustrated his dream for college.
　　他上大学的梦想遭受挫折。
　　▲frustrating adj. 令人失望的
　　What he said is frustrating.
　　他所说的话很令人失望。