Corrosion testing of lubricating oils
[建] 润滑油的腐蚀试验
🧩 词语组成解析
testing
[['testiŋ]]
n. 测试\\na. 吃力的, 试验的
of
[əv]
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];
润滑的
n. 油画颜料\\n[机] 油类
🗣️ 情景例句
but I don't want to put it off too long.
但我希望不要拖得太久。
Speech is silver (or silvern), silence is golden.
雄辩是银，沈默是金。
I want to improve, but I don't know how.
我想提高它，但又不知道怎么样才能提高。