Jim has the same walking posture as his dad. 吉姆和他爸爸的走路姿势一样walking posture走路姿势, the same as跟....一样Who do you think should be on duty?你认为谁应该值日？He is not as competent as his younger brother at physical education. 他不像他弟弟那样擅长体育。competent擅长, 例如a competent worker一个胜任的员工， physical education体育...
