Polyyne
聚炔烃
🗣️ 情景例句
My pleasure, Doctor.
非常荣幸，医生。
Love is a sweet torment.
爱情是一种甜蜜的折磨。
'Would a later train get you to work on time?' asked the inspector.
“晚一点儿的车也能送您按时上班吗？”