Ssbd
[医][=single-strand base damage]单链碱基损伤
🗣️ 情景例句
but I prefer a two-story home.
但我喜欢两层楼的房子。
What a disappointment.
真是失望透顶。
He had often dreamed of retiring in England and had planned to settle down in the country.
过去他常幻想退休后到英国，并计划在乡间安顿下来。