"Underwater" • Chinese-English Dictionary
| 水底 | shuǐ dǐ | underwater |  |
| 水下核爆炸 | shuǐ xià hé bào zhà | nuclear underwater burst / underwater nuclear explosion | |
| 水下核试验 | shuǐ xià hé shì yàn | underwater nuclear test | |
| 水底写字板 | shuǐ dǐ xiě zì bǎn | underwater writing tablet | |
| 水底相机 | shuǐ dǐ xiàng jī | underwater camera | |
| 声波定位 | shēng bō dìng wèi | sonic location system (esp. underwater sonar) / acoustic positioning | |
| 水下通讯系统 | shuǐ xià tòng xùn xì tǒng | underwater communication system | |
| 水下勘探 | shuǐ xià kān tàn | underwater exploitation | |
| 保护水下文化遗产公约 | Convention on the Protection of Underwater Cultural Heritage | | |
| 水声换能器 | shuǐ shēng huàn néng qì | underwater sound projector / projector | |
| 自动潜航器 | autonomous underwater vehicle | | |
| 水下远程导弹系统 | undersea long-range missile system / underwater long-range missile system | |
