Unserviceability
[化] 使用不可靠性
✅ 同义词
🗣️ 情景例句
He is a college drop-out.
他从大学辍学半途而废。
Look! Lightening has struck the tree and it's on fire.
瞧！闪电划下来，引燃了树木。
You are just putting on a little weight. I believe you'll get that off easily.
你只是稍微胖了些，很快就会恢复的。