升级

Example sentences

• xì系tǒng统shēng升jí级 。

  System upgrade.

• shǒu手jī机xì系tǒng统xū需yào要shēng升jí级cái才néng能shǐ使yòng用xīn新gōng功néng能 。

  The phone system needs to be upgraded in order to use the new features.

Usage