Hydrophilic fibres on the opposite surface aid hydration by drawing water into the cement.

相对表面上的亲水性纤维通过把水吸入水泥来帮助水合。

youdao

Their main finding was that a nerve impulse, now known as an action potential, is caused by the movement in opposite directions across the axon's surface membrane of sodium and potassium ions.

ECONOMIST: Andrew Huxley