词汇	松胶
释义	松胶 sōng jiāorosin；colophony
随便看	the duration The duration of a vowel the duration of development the duration of flight the duration of network The duration of such conditional release The duration of the examination is three hours the duration of the thing the duration of the war the durham miners' gala The durian tree can grow to be very tall The dusk is deepening The dusk is gathering the dusk of rationalism philosophy the dusky light inside the cave The Dust the dust and heat the dust and heat of the day The dustbin is chock-full The dustbin is chock-fullof rubbish The dustbin is chock-full of rubbish the dust bowl The dust can is stinking up the street The dust falls to the ground as a fine powder The dust has cleared