Microspecimen
磨片; 微观磨片
🗣️ 情景例句
I know.
我知道。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
What a coincidence!
真是太巧了。