prophylactic device

Before engaging in sexual activity, it is important to use a prophylactic device to reduce the risk of STIs.

在发生性行为之前，使用预防装置很重要，以减少性传播感染的风险。

The electrician recommended a prophylactic device to protect the computer from power surges.

电工建议安装一种预防装置以保护电脑免受电涌影响。

In the laboratory, scientists wear a prophylactic device such as a face shield to prevent chemical splashes.

在实验室里，科学家们戴上如面罩之类的预防装置以防止化学飞溅。