Flintlike
燧石样的, 坚硬的
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
What did you do the week before last?
上上星期你干了什么？
'Good heavens!' exclaimed his wife.
“天啊！”他的夫人惊叫，