内容简介：
The long, low motor-boat glided smoothly out from the dock to which it had been made fast. Behind it the water boiled as if it had been stirred by some invisible furnace. The graceful lines of the boat, its manifest power and speed, formed a fitting complement to the bright sunshine and clear air which rested over the waters of the Hudson River. rapidly behind her, were assembled various members of the families represented by the four boys on board the motor-boat. Younger brothers and sisters, two uncles, several aunts, not to mention the various fathers and mothers united in a final word of farewell. Handkerchiefs were waved and the sounds of the last faint call came across the intervening waters.