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“螺母”的拼音為：luó mǔ...

擰下車輪螺母，放掉車胎的氣，換上備用胎。Remove wheelnuts, let down tyre, put on spare.先松開螺母，然后卸下車輪。First loosen the nuts, then take off the wheel.這個舊螺母咬不住 扣兒.This old nut won't bite [ grip ] ....

“螺母”的英語可以翻譯為：nut，blind nut，cap nut，cover nut ...