When you are sitting, keep your elbow on the arm rest.坐立时，把胳膊肘靠在扶手上。Amy lifted her arm to wave. "Goodbye," she called.埃米举起胳膊挥挥手。“再见，”她喊道。A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。...
The mission for the crew of the space shuttle Endeavour is essentially over...“奋进号”航天飞机上全体机组人员的任务基本上已经完成了。...a theory that would embrace the whole field of human endeavour.将囊括人类活动的各个领域的理论I will endeavour to arrange it.我会...