1. The NVMT Seawolf series is capable of being submersed in at least 3-feet of water for at least 24 hours without any damage. 该nvmt海狼系列，是能够被淹没在至少3英尺的水中至少24小时内无任何损害。
2. leaf blade emersed or submersed, broadly ovate, lanceolate, or broadly linear, sometimes completely reduced, stomata paracytic. 叶片出水或者沉水，宽卵形，披针形，或者宽线形，有时完全退化，气孔平列型。
3. A submersed Old World Plant(Hydrilla verticillata)having whorled, lance - shaped leaves and unisexual, solitary, axillary flowers. 软水草一种生在水中的东半球植物（黑藻黑藻属），叶片呈螺纹形、矛状，雌雄异株，花为单生、腋生。
英英解释
adj.
1. beneath the surface of the water
2. growing or remaining under water
