Polycross
多系天然杂交, 多向杂交, 多父本杂交
🗣️ 情景例句
Learn to roll with the punches.
要学会应付困难。
I have forgotten his telephone number.
我忘记了他的电话号码。
Fortunately people want to come and hear me play, but I am getting very tired of travelling.
幸运的是，人们都想来听我演奏，但是我对旅行感到厌倦了。