Bootheel
n. 靴后跟；[亦作 B-]靴后跟地形区(美国密苏里州东南部的地区)
🗣️ 情景例句
Because my birthday is tomorrow.
因为明天是我的生日。
He has forgotten about his job.
他把工作忘得一干二净。
What a lot of smoke!
好浓的烟啊！