倒塌: to collapse (of building), to topple over...
产地: source (of a product), place of origin, manufacturing location...
小型: small scale, small size...
持有: to hold (passport, views etc)...
扎实: strong, solid, sturdy, firm, practical...
原始: first, original, primitive, original (document etc)...
物理: physics, physical...
锲而不舍: to chip away at a task and not abandon it (idiom); to chisel away at sth, to persevere, unflagging efforts...
切: to cut, to slice, tangent (math)...
剪子: clippers, scissors, shears...
