Fins are a feature specific to fish.鱼鳍是鱼类特有的特征.He could see their wide, flattened, shovel - pointed heads now and their white tipped wide pectoral fins.他这时看得见它们那又宽又扁的铲子形的头,和尖端呈白色的宽阔的胸鳍.They were flapping their bat - like...
污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.这个永远黑暗的地方蕴藏着很多料想不到的营养物.The permanent gloom held an unexpected pocket of nutrition.脑对于从血液中取走哪些营养物是有选择的.The brain is selective about which nutrie...
We discussed the situation in hushed whispers.我们窃窃私语地讨论了形势。Men were talking in whispers in every office.每间办公室里人们都在窃窃私语。We spoke in whispers for fear that we might wake the baby.我们轻声说话,以免吵醒婴儿....