Từ vựng
supported — The shelf is supported by metal brackets. — /səˈpɔːrtɪd/ — được hỗ trợ, được đỡ — verb
posts — The fence is held up by wooden posts. — /poʊsts/ — cột, trụ — noun
grooves — The record spins in the turntable's groove. — /ɡruːvz/ — rãnh, khấc — noun