托业

2,500 个词汇 · 21 个主题

词汇(2,500)

质量控制、维护与职场安全Quality Control, Maintenance & Workplace Safety

lubrication

n.L2 进阶B2

润滑;润滑处理

英文释义 the application or presence of oil, grease, or another substance that reduces friction between moving parts

作答后解锁

在休闲、排位或单人练习中作答此词汇的题目,即可解锁完整内容。