crassisexinous厚: thick外层: sexine; outer layer; rind; s ...的: 4次方是 The fourth power of 2 i ...外层的: outer薄外层的: tenuisexinous下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:厚外层的，即可在微信中查询翻译
