gorilla

"Are you a member of the American Athletic Association?"

"The vast forests of the Amazon basin are home to many rare animals. "

"The new school principal is a powerful advocate for student success. "

"This painting shows little organization at first glance, but little by little the structure becomes clear."

"The new office building downtown is a behemoth, dwarfing all the smaller shops around it. "

"The camping equipment was essential for a successful weekend trip. "

"The zookeeper fed the giraffes their lunch of fresh leaves. "

"Her knuckles turned white as she gripped the steering wheel tightly. "

"Can you demonstrate the new tools for us?"

"At the zoo, we saw a family of gorillas knuckle-walking through their enclosure. "

"Russia is a large country.   The fruit-fly has large eyes for its body size.   He has a large collection of stamps."

"an intellectual heavyweight"