Indeed, this strand may well predate the anti - pollution effort.而且, 这一目标或许要早于防止污染.The origins of this theory actually predate widespread interest in 2012.这个理论的起源早在2012年前,就广泛的传播了.Cooling towers predate the nuclear age; a...
Sapwood contains xylem vessels, but not as strong as heartwood.边材含有木质导管, 但不如中心木质那样坚硬.Heavy wood with dark colored heartwood used for ornaments.重硬且心材呈浓色者可供作木艺品制造用.Heartwood from dark brown to purple brown, alternating str...