本文认为，淋巴窦壁可能具有一定的屏障作用。

We think the lymphatic sinus wall may act at some degree as a barrier.

youdao

用户身份认证作为网络安全和信息安全的第一道屏障，有着非常重要的作用。

As the primacy safeguard of network security and information security, user authentication is very important.

youdao

用户身份认证作为网络安全和信息安全的第一道屏障，有着非常重要的作用。

As the primacy safeguard of network security and information security, user authentication is very important.

youdao