ingenious adj. 有獨創性的；機靈的，精制的；心靈手巧的

eg. He thinks it was an ingenious experiment and perhaps even representative of the future of advertising.
他認為那是一個巧妙的的試驗，甚至可能是未來廣告的典型。

eg. So we continue to listen out for the signal from aliens through ever more ingenious methods. But we are transmitting too.
我們用更精巧的方法繼續聆聽外星人發出的信號。但是我們也在發射信號。

詞組學習：

1. be folded in half 可以對折

2. handy to carry around 隨身攜帶

3. variable speed bicycle 變速自行車

4. traffic jam 交通堵塞，塞車

其他表達法：

The bicycle is easy to maintain because of its simple mechanical structure.
這款自行車因為構造簡單所以容易保養。
The characteristic of this kind of type is of nonskid on wet road.
這款輪胎的特點就是在濕地剎車時不打滑。

實用句子背誦：

It can be folded in half and handy to carry around, especially useful during traveling and traffic jams.
它可以對折，可以隨身攜帶，在旅行和交通堵塞時格外實用。