Abrasive action of lubricants
[机] 润滑剂磨蚀作用
🧩 词语组成解析
adj. 有磨蚀作用的;摩擦的;粗糙的;使人厌烦的,伤人感情的;
n. 研磨料;琢料;金刚砂;
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Need another box?
需要另一个箱子吗?
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
Hi, Sam! How are you today?
嗨,山姆!你今天好吗?
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