Amphidiploidy
双二倍性
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
I am 60 years old and siingle.
我六十岁了，仍然单身。
Walking up and down the stairs would beat any exercise machine.
上下楼梯可比什么健身器都要好。