首頁›Browse›C›clench upclench up編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看clench upclench up — 動詞動詞1. to tighten or contract, usually muscles or fists1.動詞釋義繃緊to tighten or contract, usually muscles or fists例句He told me to clench up my stomach for the exercise.