def construct(self):
    text = TextMobject('早安， \\TeX！', '你好，\\LaTeX！', tex_to_color_map={'\\LaTeX': RED_B})
    self.play(Write(text[0]))
    self.wait(0.5)
    self.play(Transform(text[0], text[1:4]))
    self.wait(1)
def construct(self):
    text = TextMobject('早安， \\TeX！', '你好，\\LaTeX！', tex_to_color_map={'\\LaTeX': RED_B})
    self.play(Write(text[0]))
    self.wait(0.5)
    self.play(Transform(text[0], text[1:4]))
    self.wait(1)