Our team-building trip includes a guided rafting tour through three rapids on Friday.

我們的團隊建立活動週五包含一趟有導遊帶領、穿越三處急流的泛舟行程。

The travel agency warned customers that the rapids are closed during the rainy season.

旅行社提醒顧客，雨季期間急流河段不開放。

Shipping logs from the 1800s show cargo boats often avoided the dangerous rapids upstream.

1800年代的航運紀錄顯示，貨船經常避開上游危險的急流。