Bicollateral
双韧的
🗣️ 情景例句
Hello, hello.... Oh, hi, Susan.
喂 喂……啊 嗨 Susan
A friend is a second self.
朋友是另一个我。
She struck the keys too hard and two of the strings were broken.
她在击琴键时用力过猛，损坏了两根琴弦。