Alum rock
[機] 明礬巖
?? 詞語組成解析
n. 明礬, 礬, 校友\\n[化] 明礬; 鉀鋁明礬
rock
[rɑk]
n. 巖石，石頭;搖滾樂;棒糖;<非正式>寶石（尤指鉆石）;
v. 搖晃;搖動;震動;
vi. 演奏搖滾樂;隨搖滾樂起舞;
??? 情景例句
Okay, hold on a second. I'll talk to him.
好的，我跟他說，你等一下。
Great men are not always wise.
偉大的人物未必總是英明的。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
馴象中至關重要的是指派一名專門的馴象員，全面負責這項工作。