tighten
make a fastener or connection firmer and more secure
v.L1 核心B1
鎖緊；緊固
英文釋義 to turn, pull, or adjust something so that it is firmly secured and less likely to move or leak
多益詞彙
2,500 個單字與片語 · 21 個主題
詞彙（100）
thorough
adj. · B2 · L2careful and complete, with every relevant detail considered
徹底的；全面細緻的
tighten
v. · B1 · L1make a fastener or connection firmer and more secure
鎖緊；緊固
tolerance
n. · B2 · L2permitted amount by which a measurement may vary
公差；容許偏差
traceability
n. · C1 · L3ability to follow an item through its recorded origin and history
可追溯性；追蹤能力
upkeep
n. · B1 · L1ongoing care needed to keep property or equipment in good condition
日常保養；維護費用
violation
n. · B1 · L1act or instance of breaking a rule, law, or required standard
違規行為；違反
visual
adj. · B2 · L2based on seeing rather than measuring or testing
目視的；視覺的
warning sign
n. · B1 · L1posted notice or signal that alerts people to a danger
警告標誌；警示牌
wear and tear
n. · B2 · L2gradual deterioration caused by ordinary use over time
正常磨損；使用耗損
workmanship
n. · B2 · L2skill and care visible in the way work has been completed
製作品質；做工