Reciprocating-plate column
[机] 往复式孔板萃取器
🧩 词语组成解析
[医] 交互的, 往复的
plate
[plet]
n. 盘子，盆子;金属板;均匀厚度的片状硬物体;[摄]底片，感光版;
vt. 镀，在…上覆盖金属板;覆盖;电镀;[印]给…制铅板;
plat 平坦 + e → n.板，片，盘 vt.电镀
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
I'm stressed out. I need a vacation.
我筋疲力尽了，我要休假！
A bad conscience is a snake in one's heart.
做贼心虚。
I'm not sure. It was difficult to see. Wei Hua and Sun Meiying were both neck and neck.
我不敢肯定。很难说。魏华和孙美英不分上下。