Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
Harry, if Michelle doesn't want to go,
Harry如果Michelle不想去，
It is one thing to speak much and another to speak pertinently.
话讲得多是一回事，讲得恰当是另一回事。
Our dog, Rex, used to sit outside our front gate and dark.
我家的狗雷克斯，过去常坐在大门外面叫。