主持人: TV or radio presenter, host, anchor...
自然界: nature, the natural world...
超标: to cross the limit, to be over the accepted norm, excessive...
训: to teach, to train, to admonish, instruction (from superiors), teachings, rule...
下来: to come down, (completed action marker), (after verb of motion, indicates motion down and towards us, also fig.), (indicates continuation from the past towards us), to be harvested (of crops), to...
那些: those...
现代: modern times, modern age, modern era...
取缔: to suppress, to crack down on, to prohibit...
客车: coach, bus, passenger train...
回复: in reply to (email)...
