Undermaintenance
(设备)维护修理欠佳, 维修质量低
🗣️ 情景例句
You're probably right.
也许你说得对。
Let me talk to Mr. Wang.
我要请王先生讲话。
many of them serious and senior scientists---- who dream of sending people to it.
其中的不少人是认真和资深的科学家，他们一直梦想着把人送上火星。