词汇	back sth up
释义	back sth up 🌏回来了
随便看	Skin of shin skin of ship Skin of shoulder Skin of sole of foot skin of soya bean milk skin of soya-bean milk skin of spine of helix Skin of subclavicular region Skin of submandibular area skin of submental area Skin of suboccipital region skin of supraclavicular region of neck Skin of supraorbital area Skin of suprapubic region Skin of suprasternal notch Skin of tail of helix skin of tarsal region skin of temporal region skin of thenar region of palm skin of the rat skin of the ship Skin of thigh skin of third finger Skin of third finger Skin of third toe