Checknut
防松螺母, 保险螺帽, 锁紧螺母
🗣️ 情景例句
That's important for us.
这对我们很重要。
From hearing comes wisdom; from speaking, repentance.
多听增智慧，多言生后悔。
This is because we feel pain.
这是因为我们能感到疼痛。