unadulterated

例句：

1. 1.The food was unadulteratedand delicious.
   这食物是纯净且美味的。
2. 2. The wine is unadulterated and has a rich flavor.
   这酒是纯净的，味道醇厚。
3. 3. Theproduct is unadulterated andmeets all safety standards.
   该产品纯净，符合所有安全标准。