器的用法和样例：
例句
-
该病起初是器质性疾患。
The illness is organic in origin. -
眼泪由上眼睑下面的器官分泌。
Tears are secreted by an organ under the upper eyelid. -
肺是呼吸器官。
The lungs are respiratory organs. -
反核武器组织要求禁止使用核武器。
Anti-nuclear organizations want to ban the bomb. -
心脏是维持生命必须的器官。
The heart is a vital organ.
