Pentadecyl
十五(烷)基
🗣️ 情景例句
Robbie's cooking tonight, and dinner's at six thirty.
今晚Robbie作饭 晚餐六点半开始。
It's a shame I haven't seen more of you these recent years.
真遗憾，最近几年我未能见到你。
He is ill in bed.
他卧病在床。