虽然现在的质量控制更加严格，但到目前为止仍然没有一种方法能十分安全的检测牛奶及其他乳制品质量。

Although stricter quality controls are now in place, the dairy industry still lacks a foolproof way of measuring the quality of milk and diary products.

youdao

虽然现在的质量控制更加严格，但到目前为止仍然没有一种方法能十分安全的检测牛奶及其他乳制品质量。

Although stricter quality controls are now in place, the dairy industry still lacks a foolproof way of measuring the quality of milk and diary products.

youdao