今天我们要学的词是 encryption.

Encryption 的意思是加密。 Amnesty International is calling on internet companies to develop and adopt technologies, such as encryption, to safeguard privacy and free speech online. 国际特赦组织呼吁互联网公司开发和采用像加密一类的技术，以保护隐私和网上言论自由。

Australian law enforcement officials say the growth of end-to-end encryption in widely-used messaging applications hamper their efforts to track the activities of criminals and extremists. 澳大利亚执法官员表示，广泛使用的短信应用程序不断加强端到端加密，阻碍了他们追踪犯罪分子和极端分子活动的努力。