Boswellic acid
[化] 非洲乳香酸
🧩 词语组成解析
🗣️ 情景例句
Haven't I seen you before?
我以前没见过你吗？
Congratulations on your winning the prize.
我恭喜你得奖了。
Certainly. One moment, please.
当然。请稍等。