Oleum copaibae
[醫] 古巴香油
?? 詞語組成解析
n. 發煙硫酸\\n[化] 發煙硫酸
??? 情景例句
I'm trying to catch Mary, please.
我想與Mary聯絡。
Will you take that library book back for me?
你能幫我把書還回圖書館嗎？
His previous attempts had been unsuccessful.
他以前的嘗試沒有成功。