Zenker's crystals
[醫(yī)] 岑克爾氏晶體(氣喘晶體)
?? 詞語組成解析
n. 石英晶體；晶體（crystal的復數(shù)形式）
??? 情景例句
The front wheels are out of alignment.
前輪不平行了。
How long will it take you to have it counted?
你要多少天才能把它計算好？
How long has Jim been at his school?
吉姆到校有多長時間了？