as needed
US /æz ˈniːdɪd/
UK /æz ˈniːdɪd/

1.
根據需要, 必要時
when or where necessary; as required.
:
•
Add water as needed to the mixture.
根據需要向混合物中加水。
•
The nurse will change the dressing as needed.
護士會根據需要更換敷料。
根據需要, 必要時
when or where necessary; as required.