1.Animal hair was the first type of bristle to be used（动物毛是第一类鬃使用。）2.Some people say it is the invention of the 11th century in China（有人说它是11世纪在中国发明的。）3.Everything will be alright after all（一切终究都会好起来的。） 一切终究都会好起来的。ALL will turn out well （ in ）the（end）.
