如果杨氏模量很大，表示这棒子非常硬。

If Young's modulus is very high, then the rod is extremely stiff.

youdao

它带来非常硬的层面。

This comes in a very stiff sheet.

youdao

高尔夫练习场上的垫子是用橡胶制成的，非常非常硬，容易使你受伤。

The MATS that you see at driving ranges that are made of rubber are very, very firm, and they predispose you to having injuries.

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