There are all sorts of animals, including bears, pigs, kangaroos, and penguins.有各种各样的动物，包括熊、猪、袋鼠和企鹅。Why can penguins live in cold environment?为什么企鹅能生活在寒冷的环境中?Whales, seals, penguins, and turtles have flippers.鲸 、 海豹, 企鹅和...
He tapped his feet, hummed tunes and jiggled about...他脚下打着拍子，嘴里哼着调子，身子晃来晃去的。A roll of fat jiggled on the underside of her arm.她胳膊下侧有一层肥肉一颤一颤的。He jiggled the doorknob noisily.他使劲地晃动门把手，响声很大。He tapped his feet, hummed tune...