英语单词大全

proostracum

/pru:st'rækəm/

中文翻译

[医]前甲（箭石）

英文解释

n. The anterior prolongation of the guard of the

phragmocone of belemnites and allied fossil cephalopods, whether horny

or calcareous. See Illust. of Phragmocone.

今日更新

更新时间：2025-06-17 18:05:15

look not quite the thing

bismuth tribromide

crystallization vat

primary thrombus

Moynihan's tests