weightless是什么意思？

weightless

例句

• Astronauts work in weightless conditions. 宇航员在失重的条件下工作。
• Weightless and stylish, the V 3 Bluetooth headset an accessory of beautiful purpose. 失重和时尚, v3蓝牙耳机,是从犯美丽的目的.
• Bacterial reproduction is accelerated in weightless space. 在失重的空间,细菌繁殖加快了.
• Helen described life in a weightless environment during her period in space. 海伦描述了她身处太空时失重状态下的生活。
• ...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。