Skull cracker
[机] 打铁球
🧩 词语组成解析
skull
[skʌl]
n. 颅骨，头盖骨;脑袋;脑子;[冶]渣壳，熔铁上的浮渣;
cracker
[['krækə]]
n. 饼干, 爆竹\\n[计] 破袭者
🗣️ 情景例句
OK. Finish off by jogging in place.
好 ，结束之前在原地慢跑。
Sometimes I make mistakes when I speak English.
当我说英语时，有时我犯错误。
Let's think carefully, I replied.
“让我们仔细想一想，”我答道。