Alkyl
n. 烷基, 烃基\\na. 烷基的, 烃基的
🗣️ 情景例句
Sure, Ellen.
当然 Ellen。
She failed to call the office to cancel her appointment.
她没能打电话给办公室取消她的约会。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。