Ortho-ester
[化] 原酸酯
🧩 词语组成解析
原; 直
n. 酯\\n[化] 酯
🗣️ 情景例句
Oh, Lillian,
噢， Lillian，
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
Oh, dear! said Miss Yang. Are you sure you've lost it?
“哎呀！”杨小姐说，“你肯定你弄丢了？”