That this device was a necessary structural compromise is clear from the fact that the cannonball quickly disappeared when sculptors learned how to strengthen the internal structure of a statue with iron braces (iron being much stronger than bronze).
Find new words first.
device strategy; structural structure; compromise; cannonball; sculptor;
internal; braces; iron;
Find the backbone again.
This sentence is a subject-slave compound sentence. Backbone: that is clear from the fact; that introduced subject clause + appositive clause ;
this device (clause subject ) was ( verb ) a necessary structural compromise ( predicative ), this kind The strategy makes necessary compromises in structure;
That ( subject ) is ( verb ) clear ( predicative ) from the fact ( adverbial ), (we) is clear from the fact See:
the cannonball ( subject ) quickly disappeared ( predicate ), the cannonball quickly disappeared;
( adverbial clause in the appositive clause) when sculptors ( subject ) learned ( predicate ) how to strengthen the internal structure of a statue with iron braces ( adverbial ), When sculptors knew how to use iron braces to strengthen the internal structure of the sculpture;
iron being much stronger than bronze (insert), Iron is stronger than copper;
sentence translation.
This strategy made the necessary compromises in structure - this is clearly seen from the fact that when sculptors knew how to strengthen the inner structure of the sculpture with iron frames (Iron is more durable than copper) Solid ), this cannon ball disappears quickly.
Supplement:
For example, in the early Italian Renaissance, bronze statues of horses with a raised foreleg usually had a cannonball under that hoof.
New words
Renaissance Renaissance; (horse) hoof;
For example, in the early Italian Renaissance, bronze horse sculptures often had a cannon ball under the raised hooves of their front legs.
