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。Australia is the hometown of kangaroos.澳大利亚是袋鼠的故乡.Kangaroos are indigenous to Australia.袋鼠为澳大利亚本地的动物....
Polyoxyethylene glycols containing tertiary amine groups were synthesized with different amine initiators.以胺类化合物为起始剂,制备了几种含叔胺基的聚氧化乙烯二醇.tertiary syphilis第三期梅毒Antioxidant tertiary butyl hydroquinone was prepared by hydroqu...
They liked to watch the children paddling in the stream.他们喜欢看孩子们在小溪中玩水.Some had not yet wearied of their gentle boat - like paddling.有的还未厌倦那船一样的徐徐的划行.A crab nipped my toe while I was paddling.我水时脚趾让螃蟹给夹了....