Maldi
n. 基質附助激光解吸電離離子源
??? 情景例句
Don't stand on ceremony, make yourself at home.
別客氣，隨便吃。
They teach you English in an intensive course lasting just a week.
他們用一周的時間教速成英語課程。
When he received a very rude reply from one of the workmen.
其中一個工人粗魯地回了幾句。