Was heißt »Harz« auf Englisch?

Das Substantiv Harz lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Der Bernstein ist ein fossiles Harz.: Amber is fossilised resin.
Wir wollten eigentlich zwei Wochen nach Rügen, aber dann sind wir doch in den Harz gefahren.: We actually wanted to go to Rügen for a fortnight, but then we went to the Harz Mountains instead.
Yanni kratzte das restliche Harz ab.: Yanni scraped off the remainder of the resin.
Ich frage mich immer, was der Unterschied zwischen Harz und Saft ist.: I'm always wondering what the difference is between resin and sap.

She's chewing gum, isn't she?
"It's best if you don't smoke. Have some chewing gum!" he said amicably, slipping three pieces into his waistcoat pocket.
There was some chewing gum on the sole of Tom's shoe.
There was some chewing gum stuck to the sole of Tom's shoe.
Some chewing gum was stuck to the sole of Tom's shoe.
Do you want gum for your ears?
The chewing gum stuck to his shoe.
I'm chewing gum.
Mary offered Tom a chewing gum, which he accepted.
Tom swallowed his chewing gum.
Tom put a stick of gum into his mouth.
I chew gum.
If you have gum in your mouth, spit it out.
I chewed the gum.
Tom is chewing bubble gum.
Tom had some gum stuck on the bottom of one of his shoes.
Do you have any gum?
Then I sang a silly song about an ant who tried to wrestle a chewing gum.
You have a gum infection.
The gum adhered to the sole of the shoe.

Ausgangsstoff:: base material (L=E); initial material (L=E); starting material (L=E)
Rohstoff:: commodity; feedstock; raw material; resource