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词汇 Bacule
分类 英语词汇 英语翻译词典
释义

Bacule

英语例句库

The exine of pollen wall is of different electron density, the nexine dense and the sexine, comprising tectum, bacules, and foot layer, relatively thin.

花粉壁的外壁分为外层和内层,外层包括覆盖层、基粒棒和基足层等三层,内层只包含一层。

英语百科

Bacule

In fortification, a bacule is a kind of portcullis or gate, made like a pit-fall, with a counterpoise, and supported by two great stakes. It is usually made before the corps de garde advancing near the gates.

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