Seesawed
v. 使上下（来回）摇动( seesaw的过去式和过去分词 ); 玩跷跷板, 上下（来回）摇动
🗣️ 情景例句
A great-grandchild. A great-grandson.
一个曾孙。 一个曾孙。
As they are in such a damaged condition, we doubt we will be able to take delivery.
由于它们残损如此严重，恐怕我们无法提货。
Of course, you are.
你当然参加啦 。