Maldi
n. 基质附助激光解吸电离离子源
🗣️ 情景例句
Your downstairs neighbor let me in.
楼下的邻居让我进来的。
I took out my pen.
我拿出了我的笔。
No one noticed the boy as he crept off.
当男孩从船里爬出来时，谁也没有发现他。