maintain
meɪnˈteɪn
verbB2
尚未加入翻譯。
例句
“It’s hard to maintain quality.”
自己說出來
聽、跟讀，並獲得發音分數。
maintain
載入中…
To keep something at the same quality, level, or condition.
Dictionary reference: WordNet 3.0 and editorial review. License.
例句
It’s hard to maintain quality.
練習
聽、打字，然後檢查。
速度