Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
Oh! Harry has been offered a job in Los Angeles.
噢， 有人聘请Harry到Los Angeles工作。
Love is neither bought nor sold.
爱情不能买卖。
Only by working hard can we succeed in doing everything.
只有努力，才能成功