white sauce
US /waɪt sɔːs/
UK /waɪt sɔːs/

1.
白醬, 白汁
a sauce made from butter, flour, and milk or cream, typically used as a base for other sauces or dishes
:
•
She prepared a creamy white sauce for the lasagna.
她為千層麵準備了奶油白醬。
•
The cauliflower was served with a rich white sauce.
花椰菜配上濃郁的白醬。