Pma
[化] 均苯四酸
??? 情景例句
Brown was friendly and easy-going.
布朗待人友善。
Thank you for sending it to me.
謝謝你把它送給我。
and he had seen there evidence enough to overthrow Aristotle and Ptolemy together.
觀察到的論據(jù)足以把亞里士多德和托勒密一起推翻。