某些种类的动植物不能适应迅速变化的环境。Some animal and plant species cannot accommodate to the rapidly changing cond-itions.这个岛屿拥有丰富多样的景致及种类繁多的野生动植物。The island offers such a wide variety of scenery and wildlife.这本书包括了有关动植物的一些有用的知识。The book...
As he talked, an airforce jet screamed over the town.他谈话时，一架军用喷气式飞机在镇子上空呼啸而过。The Royal Airforce sill remained dangerously short of bombers.英国皇家空军仍未脱离极为缺乏轰炸机的危境.The town has been heavily bombarded by the army backed by th...
Nitrates are used as preservatives in food manufacture...硝酸盐在食品加工业中被用作防腐剂。The juice contains no artificial preservatives.这种果汁不含人工防腐剂。Meat spoils more quickly without preservatives.不加防腐剂,肉会坏得快.Free OfArtificial colors, pr...
这个男孩用弹弓射石头.The boy discharged a stone from a sling.那孩子把弹弓交给了老师.The boy surrendered the catapult to the teacher.他把石子放进弹弓里，然后往回拉动橡皮筋。“嘣”！He fitted a pebble into the catapult and pulled back the elastic. Twang!...