Gums
n. 牙龈, 树胶；牙床（gum复数形式）
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
Should I take the bus?
要乘公共汽车吗？
It's red. It's a red car.
红色的，一辆红色的车。