Polytypism
多型性, 多型现象
🗣️ 情景例句
I can't wait to tell Marilyn!
我迫不及待地想告诉Marilyn。
To get ahead you'll have to work long hours and take short vacations.
想成功就要多流汗少享受。
His average speed had been 301 miles per hour.
他的平均时速实际是301英里。