横向刚度的英文：
lateral rigidity

lateral是什么意思：
adj. 侧面的；横向的
n. 侧部；边音

They will appear later.
他们稍晚会露面。

lateral pulling
横向拉制

Firemen later tackled the blaze.
消防队员们后来扑灭了这场大火。

See you later. Keep in touch.
再见。记得联系哦。

OK. Thanks. See you later.
好，谢谢。再见。

rigidity是什么意思：
n. 硬,僵化,坚硬,刚性,硬度

rigid discipline.
固执僵化的纪律

The support for the tent is rigid.
帐篷的支柱很坚固。

She became as rigid as adamant.
她变得如顽石般的固执。

The rigidity of the metal caused it to crack.
这金属因刚度强而产生裂纹。

He was rigid, erect, and impassive
他一动不动，笔直地站着，脸上毫无表情。