undulate是什么意思_音标_用法_例句

简单释义：

v. 波动；起伏；荡漾

adj. 波状的

网络 波动起伏；起伏的；微波状

变形：

过去分词：undulated  现在分词：undulating  第三人称单数：undulates  

完整释义：

v.

1.使波动,使起伏
2.(水面、风中的麦田等)波动,起浪;(土地等)起伏
3.波状起伏

adj.

1.波状的,波动起伏的
2.波动的
3.波纹的

例句：

1. Joints glossy green, margins undulate toward apex, spines gray to reddish brown with darker tips; mature fruit obconical to obovoid.
   具关节的有光泽的绿色，边缘波状向先端，刺灰色的到带红色棕色具深色的端部；成熟的果倒圆锥形的到倒卵球形。

2. Leaf margin serrulate or inconspicuously undulate, petiole and veins on abaxial leaf surface sparsely puberulent.
   叶缘有细锯齿或不明显波状，叶柄和脉在疏生微柔毛叶背面上。

3. bracts lanceolate, margin undulate, membranous, apex acuminate.
   披针形的苞片，边缘波状，膜质，先端渐尖。

4. leaf blade linear, lanceolate, linear-lanceolate, or oblanceolate, margin entire or with irregular, loose, undulate teeth.
   叶片线形，披针形，线状披针形，或倒披针形，边缘全缘或具不规则，松散，波状的齿。

5. leaf blade rhombic-ovate or oblong-lanceolate, glabrous, base cuneate, margin entire or undulate, apex acuminate or acute.
   叶片菱形的卵形的或长圆状披针形，无毛，基部楔形，边缘全缘或波状，先端渐尖或锐尖的。

6. Branchlets unarmed or with sparse, minute prickles; leaf margin undulate or inconspicuously lobed, lobes obtuse, rarely acute.
   小枝非武装或者有稀少，微小刺；浅裂的叶缘波状的或不明显，裂片钝，很少锐尖。

7. Light purple waves undulate in the center of the fan like a wall. The space behind it appears vast and open.
   淡紫色的波动在画扇正中央，像一堵墙似地，相当醒目，也使得后面的空间看起来更加辽阔。

8. "Racial boundaries seemed to undulate, " writes McWhirter, "and the social order expanded, possibly to allow a new place for blacks. "
   “种族界限似乎有波动”，麦克沃特写道，“且社会秩序增强，可能会给予黑人新的地位。”