Caryl
蒈烷基
🗣️ 情景例句
OK, Betty, Tim, and Frank.
好， Betty ，Tim ，Frank。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
It has to be tall because it is like a giant block and tackle,
井架必须很高，因为它像一个巨型滑轮组。