| 单词 | 维修检查 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔maintenance〕There are thorough maintenance checks on each plane before take-off.每架飞机起飞前都要经过彻底的维修检查。剑桥高阶There are thorough maintenance checks on each plane before take-off.每架飞机起飞前都经过了彻底的维修检查。剑桥国际 |
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