英汉双语例句-生物医药大词典

They are characterized by having cell walls made chiefly of chitin, not the cellulose of plant cell walls, and they all develop directly from spores without an embryo stage.

中文意思：
其特征如下：细胞壁主要由几丁质构成，而不完全是植物细胞壁中的纤维素。

以下为相关句子列表(点击查看，可以看对应的解释）：

	They are caused by the counter-rotating waves set up in the earth's electric field.			他们是导致在地球电场上形成逆向旋转波动的原因。
	They are cave dwellers living by the streams in the forest, also solitary nocturnal swimmers both clever and adorable.			它是种很爱干净的动物，动作灵巧，十分聪颖可爱。
	They are celebrating their golden wedding anniversary.			他们在庆祝他们的五十年金婚纪念日。
	They are championships and Hollywood and intrigue, but mostly these days they are Kobe.			他们是专业比赛和好莱坞或者阴谋,但他们所有人大多是对科比的兴趣.
	They are changing desert into farmland.			他们正在使沙漠变为农田。
	They are characterized by having cell walls made chiefly of chitin, not the cellulose of plant cell walls, and they all develop directly from spores without an embryo stage.			其特征如下：细胞壁主要由几丁质构成，而不完全是植物细胞壁中的纤维素。
	They are characterized by high carbon dioxide compensation points owing to PHOTORESPIRATION.			它们光呼吸很明显因而具有较高的二氧化碳补偿点。
	They are characterized with systematization and generalization, which result from their semantic association and their formative analogy.			它们以扩散性的联想意义为联结而进行语义泛化或结构类推成词，并具有系统性、对举性、概括性特征。
	They are cheering us on.			他们正在为我们加油打气呢。
	They are chiefly of Jewish parentage.			他们大体上有犹太血统。
	They are children and while away from home, they can't help but often think of their parents and other relatives.			他们是孩子，所以当离开家的时候，他们忍不住要想念他们的父母亲和亲戚。