1. He was eating an apple, giving a long melodious whoop at intervals, followed by a deep-toned ding-dong-dong, ding-dong-dong, for he was personating a steamboat.
    他在吃苹果，不时发出长长的悦耳的呼叫声，紧接着是音色深厚的叮咚咚、叮咚咚声，他正在扮一艘轮船。

2. At first , Robert Fulton´s plans for his steamboat were derided as chimerical nonsense.
    起初，罗伯特富尔敦的汽船设计被笑为荒诞无聊的事。