Polymorphic system
[计] 多形系统
🧩 词语组成解析
[计] 多形的, 多种组合形式的\\n[医] 多形的
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
We have a toll-free number for customers to call.
我们对顾客提供免费服务电话。
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。