Heryng's sign
[医] 赫令氏征(上颌窦积脓时,口内用电灯光照,可见眶下阴影)
🧩 词语组成解析
🗣️ 情景例句
Hmm. It's probably nothing.
嗯， 也许没什么事。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
They stared at the huge tiger with awe.
他们敬畏地看着那头巨虎。