Sheldon writes every day of the week, dictating his novels in the morning.谢尔登一周7天都要写作，每天早上口述小说让别人记录。The manager was dictating a letter to the secretary.经理在向秘书口授信稿.Her face is impassive as she listens to Miller dictating ...
Astronauts work in weightless conditions.宇航员在失重的条件下工作。...weightless silk curtains.轻柔的丝质窗帘Photons have no mass—they are weightless.光子没有质量——它们是无重的。Helen described life in a weightless environment during her period in space...