Ortho-ester
[化] 原酸酯
🧩 词语组成解析
原; 直
n. 酯\\n[化] 酯
🗣️ 情景例句
I try to keep a regular schedule every day.
我每天努力遵守有规律的安排。
I answer telephones and do some typing.
我接电话和打字。
What a pity! I'm afraid that if you've lost it , you must pay for it, said Miss Yang.
“真可惜！如果你真的弄丢了，恐怕你得付钱赔偿，”杨小姐说。