yawning

名词 yawning:

1. an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom
   同义词：yawn, oscitance, oscitancy

动词 yawn:

1. utter a yawn, as from lack of oxygen or when one is tired
   同义词：yawn
2. be wide open
   同义词：gape, yawn, yaw

形容词 yawning:

1. gaping open as if threatening to engulf someone or something
2. with the mouth wide open indicating boredom or sleepiness
3. showing lack of attention or boredom
   同义词：drowsy, oscitant

1. An unfathomable chasm; a yawning gulf.
   深渊，无底洞深不可测的裂缝; 张开的深壑
2. His long boring story made me yawn.
   他的冗长的故事听得我直打呵欠。
3. The act of yawning.
   打哈欠打哈欠的动作

yawn.ing

adj.（形容词）
Gaping open; cavernous:
裂开的；多洞穴的：
例句：
a yawning abyss.
裂开豁口的深渊

【引伸】
yawn.ingly
adv.（副词）