Flats
n. 平原, 扁钢；低沼泽（flat的复数形式）
🗣️ 情景例句
and keep the cultural programs for our kids.
以便为我们的孩子保存文化活动。
Sorry to have kept you waiting.
抱歉使你久等了。
We're in Class Three, Grade One.
我们是在一年级，三班。