weightlessness是什么意思

双语例句

(1)Weightlessness means that an object loses the effect of the gravitational field.

失重指物体失去了重力场的作用。

(2)This amusement ride can give passengers the feeling of weightlessness.

这个游乐设施能带给乘客失重的感觉。

(3)Jumping from high altitude, you will feel a sense of weightlessness.

从高空跳下，你会感受到一种失重感。

(4)The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness.

那些宇航员正在进行一系列实验，以便更多地了解人体如何适应失重状态。

(5)Astronauts in flight must adjust to weightlessness.

飞行中的宇航员必须适应失重状态。

(6)Astronauts are accustomed to the state of weightlessness.

宇航员们习惯于失重状态。

(7)You have to pay a price for this half a second of weightlessness.

半秒钟的失重状态，可是有代价的。

(8)For the first time, a rocket unit was fired under weightlessness.

这是火箭单元首次在失重状态下点火。

同义词

n. 失重；无重状态

反义词

同根词

词根 weigh

(1)weighted adj. [数] 加权的；加重的；衡量过的v. 加重量于…；重压（weight的过去分词）

(2)weighty adj. 重的；重大的；严肃的

(3)weightless adj. 失重的；无重量的

(4)weightily adv. 重要地；沉重地

(5)weight n. 重量，重力；负担；砝码；重要性vt. 加重量于，使变重

(6)weigh n. 权衡；称重量vi. 重量为…；具有重要性；成为…的重荷；起锚vt. 权衡；考虑；称…重量

(7)weighing n. 称重量；考虑权衡；悬浮v. 称量（weigh的现在分词形式）；考虑斟酌

(8)weighting n. 加重，加权；衡量；（英）生活补贴v. 加权；称量（weight的现在分词）

(9)weightiness n. 重；重要性