The tree grew from a small acorn.橡树从一粒小橡子生长而来.To see the problem here more clearly, let's look at a different biological system, say, an acorn...为更清晰地理解此处的问题，我们来看一种不同的生物系统，比如说，橡子。The oak is implicit in the acorn.橡树孕...
He fixed a bayonet to the end of his rifle.他在步枪口上安好了刺刀。A soldier plunged a bayonet into his body.一名士兵将刺刀插进了他的身体。A bayonet blade is forged from the finest steel.刺刀刃是用最优质的钢锻造的....