单词	填心铅笔
释义	填心铅笔mechanical pencil
随便看	ocean color scanner ocean colour ocean colour measurement ocean current ocean current atlas ocean current chart ocean current energy ocean current energy generation ocean current energy utilizing system ocean current power generation ocean current power generation system ocean currents ocean data acquisition ocean deep ocean delta ocean depth ocean development ocean digitization ocean discharge ocean disposal ocean disposal of radioactive waste ocean disposal radioactive waste ocean drift ocean drilling program ocean drilling program (odp)