water containing mineral salts that prevent soap from lathering freely and produce a hard coating inside pipes, tanks, etc 硬水. hardwood n [U] hard heavy wood from a deciduous tree, eg oak, teak, beech 硬木(如橡木、 柚木、 山毛榉木等): [attrib 作定语] hardwood doors, floors, etc 硬木...
PLA is a kind of compostable plastic made from starch, usually corn. It’s generally touted by its manufacturers as safe simply because it doesn’t come from petroleum. So guess what. 71% of all the PLA samples tested were found to leach EA chemicals as well. The Point:just be...
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water containing mineral salts that prevent soap from lathering freely and produce a hard coating inside pipes, tanks, etc 硬水. hardwood n [U] hard heavy wood from a deciduous tree, eg oak, teak, beech 硬木(如橡木、 柚木、 山毛榉木等): [attrib 作定语] hardwood doors, floors, etc 硬木...