submarine navigation的用法和樣例：
例句
- Thermocline is important for submarine in underwater navigation and action.
溫躍層對于潛艇的水下航行和戰斗具有十分重要的意義。 - A diesel submarine is able to cruise under water for a short period of time, but a nuclear one is able to cruise under water much longer.
柴油潛艇在水下只能航行非常短的時(shí)間，而核潛艇在水下航行的時(shí)間要長(cháng)得多。
