一、 交际用语1. - I’m so excited to meet you. May I introduce mylf to you- . Sure.2. - What’s your prent job- . I’m a film-maker.3. 一 Goodbye, everyone.- Bye, Sally! Stay in ’t forget to write.斡旋4. - We
principle是什么意思激扬青春梦简单的英语小故事proportionate Once upon a time, in a small village called Greenfield, lived a young boy named Jack. Jack was an adventurous and curious child who loved explorin
Sound and VibrationIntroductionAir crewmembers operate in an environment that expos them to hazardous vibration levels on a daily basis. Vibrations effect aircrew member’s coordination, vision and c