Retractability
n. 收缩核
🗣️ 情景例句
I'm afraid I'm awfully late.
我实在太迟了。
He that goes a borrowing,goes a sorrowing.
向人借债是自寻烦恼。
Poison to a snake is merely a luxury; it enables it to get its food with very little effort, no more effort than one bite.
毒液对毒蛇来说只不过是一种舒适生存的优越手段，它使蛇不用费多大力气就能捕获到食物，轻咬一口即可。