MG
abbr. 毫克（milligram）；微电网（Micro-Grid）；名爵（Morris Garages）
例句
As little as 50 mg of caffeine can produce pharmacological effects.
仅仅50毫克的咖啡因就能产生药理效果。
《柯林斯英汉双解大词典》
Take approximately 60 mg up to four times a day, unless advised otherwise by a doctor.
每天4次，每次约60毫克，或遵医嘱。
One tablespoon of reduced-sodium soy sauce has 600 mg.
一餐匙的去钠大豆酱油有600毫克。
