2. Scleractinian corals thrive in nutrient-poor (oligotrophic) tropical and subtropical shallow seawater environments around the world. This is due in large part to symbiotic relationships between the host coral animal, unicellular, photosynthetic dinoflagellates...
379. I can hardly pardon his discarding the hardware and cardboard in the harbour. 我简直不能原谅他在港口丢弃五金和硬纸板。 380. The guard guards the guarantee in the garden regardless of the hazard. 卫兵不顾危险看守着花园里的...
Operation and Maintenance of Shallow Wells in Morogoro Region -Hand Pump Aspects The technical and economic feasibility of the hand pumps for rural water supplies is not in doubt, and this can be substantiated by their well known advant... AK Kigingi - 《Kigingi Abubakari K》 被引量: 3发...