知識+
harder math question
... blown off, c = rate of the current r = rate of John rows the distant John's boat float = 10c = the distance John row back = 2(r-c) use minus sign since c and r in opposite direction 10c = 2(r-c) = 2r - 2c...
對於旅遊的口語稿書寫問題
...day was a run-of-the-mill experinece: Get up, eat bad food, get in the boat, and float for a few hours. No big deal. In hindsight, I wish ...
徵有關intersts and hobbies主題的英文對話
... a new hobby is selecting what you want to do. You can try to think about... read up on popular hobbies and see what floats your boat. B: Thanks a lot. I think...