Machining of metals
[机] 切削加工
🧩 词语组成解析
[机] 机制
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];
五金
🗣️ 情景例句
do you need any help?
需要帮忙吗？
The post office is up there on the left, You can't miss it.
那邮局就在那儿靠左边，很好找。
Sure. What are you going to do, Mary?
当然了。你打算做什么，玛丽？