Maintenance equipment
[计] 维护设备
🧩 词语组成解析
🗣️ 情景例句
of forty-three years of on-the-job training.
关于我四十三年的工作经历。
How long will you remain in the country?
你将会在乡间逗留多久？
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。