Nonprimitive
非初级的
🗣️ 情景例句
Fall is a great season because of all the wonderful colors.
秋天是个色彩缤纷的好季节。
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
'We're going back now,' said the conductor.
“我们现在要返回去，”售票员说。