weightless的音标为[ˈweɪtləs]，意思是无重量的，无重力的。

用法：Weightless is a state of human experience where a person is not weighed down by gravity. It can be achieved through various means such as weightlessness in space or certain medical procedures.

示例：The astronauts felt weightless as they floated around the spacecraft.

翻译：宇航员在飞船中漂浮时感到自己轻若无物。

weightless的意思是：无重量的，轻若无物的。

用法：

1. The astronauts feel weightless in space. 宇航员在太空中感到自己轻飘飘的。

2. The balloon had a weightless and floated up. 气球轻飘飘的，飘了起来。

双语翻译：

Weightless (n.) 无重量的；轻飘飘的。

常见用法：

1. The balloon was filled with air and became weightless. 气球充满了空气，变得轻飘飘的。

2. The astronauts were weightless in space for a few days. 宇航员们在太空中飘浮了好几天。

中文翻译：无重量的；轻若无物的。

例句：The astronauts feel weightless in space. 宇航员在太空中感到自己轻飘飘的。

希望以上信息对您有帮助。

weightless的意思、释义、用法及双语翻译，以及常见短语如下：

意思： a. 无重量的；轻的；微不足道的

释义：adj. 无重量的；轻的；微不足道的；无重量限制的

n. 失重状态

用法：Nowadays, many people choose to wear a weightless suit when doing aerobic exercise to prevent injury.

如今，许多人在做有氧运动时选择穿无重力服以防止受伤。

翻译：轻盈的；微不足道的；无重量的；失重状态

常见短语：

1. weightless environment 失重环境

2. weightless bed 漂浮床

3. weightless laboratory 失重实验室

4. weightless sleep 漂浮睡眠

5. weightless suit 失重服

6. weightless training 失重训练

7. weightlessness 失重状态

8. weightless flight 零重力飞行

9. weightless research 失重研究

10. weightless bedding 无重力寝具

以上内容仅供参考，建议结合具体语境理解。