Seesawing
v. 使上下（来回）摇动( seesaw的现在分词 ); 玩跷跷板, 上下（来回）摇动
🗣️ 情景例句
OK. What time is it?
好啊。什么时候？
Whom will you work for?
你将为谁工作？
He suddenly appeared in the party.
他突然在晚会上出现了。