yawning汉语翻译：
a. 打着呵欠的, 裂着大口的词型变化：
副词:yawningly英语解释：
名词 yawning:

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:

utter a yawn, as from lack of oxygen or when one is tired同义词：yawn

be wide open同义词：gape, yawn, yaw

形容词 yawning:

gaping open as if threatening to engulf someone or something

with the mouth wide open indicating boredom or sleepiness

showing lack of attention or boredom同义词：drowsy, oscitant

例句：

An unfathomable chasm; a yawning gulf.深渊，无底洞深不可测的裂缝; 张开的深壑

His long boring story made me yawn.他的冗长的故事听得我直打呵欠。

The act of yawning.打哈欠打哈欠的动作

详细解释：
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）