Complex sentence: Additionally, the battlecruisers could make 25½ knots against Spee's 22½ knots; thus the British battlecruisers could both outrun their opponents and significantly outgun them.
Split into simpler sentences: Additionally, the battlecruisers could make 25½ knots against Spee's 22½ knots. Thus the British battlecruisers could outrun their opponents and significantly outgun them.