Once ductility is introduced, materials become weak.

而一旦把延展性引入进来，材料就变得脆弱了。

youdao

The basis of our many family and therefore become weak.

我们许许多多的家庭的基础也因此变得薄弱。

youdao

Wrong! Who is eroded by conquest, so the feelings will become weak.

错！其实是人先被惰性征服，所以感情才会变淡的。

youdao

They also can become weak, expel material from the stomach, and suffer pain in the head or muscles.

VOA: special.2010.04.20

They are prone to developing osteoporosis, a disease where bones become weak and are more likely to break.

CNN: Advances in kids' early aging disease

When people shrink more or faster, the biggest concern is osteoporosis, in which bones become weak, brittle and vulnerable to breakage.

WSJ: Health Journal: Yes, You Are Getting Shorter

Where assumptions are weak or become weak over time due to changes in technology or values or market needs poor decisions follow.

FORBES: The Car on the Sidewalk and Other Reversals