Ultracentrifuge
n. 超离心机\\n[化] 超速离心机
🗣️ 情景例句
You'd better be careful.
你要小心一点。
A clear conscience is a soft pillow.
问心无愧，高枕无忧。
I am sick of always waiting for you!
你，老让我等你，真是烦透了。