That was not only extremely uncomfortable, but also inconvenient and not very hygienic.

### 解释 hygienic 是形容词，来自名词 hygiene（卫生、卫生学），后缀 -ic 表示"与...有关的"。hygienic 意思是"卫生的、清洁的"，描述符合健康标准的状态。