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do (some/the) typing
此用法中 typing 为不可数名词，表示‘打字’这个动作。
I did some typing for my boss this morning.
今天早上我帮老板打了一些字。
打字
先理解核心含义，再看它在真实句子里的用法。
打字
the act of writing on a computer or typewriter using a keyboard
I did some typing for my boss this morning.
今天早上我帮老板打了一些字。
按类型分类或归类。
Assignment or classification by type.
打字；键入。
The act of one who types on a keyboard.
My typing has improved a lot since I started using the new keyboard.
自从我开始使用新键盘，我的打字进步了很多。
She spends most of her day on typing and answering emails.
她一天大部分时间都在打字和回复电子邮件。
Her typing speed is impressive, but she needs to work on accuracy.
她的打字速度令人印象深刻，但她需要提高准确性。
此用法中 typing 为不可数名词，表示‘打字’这个动作。
I did some typing for my boss this morning.
今天早上我帮老板打了一些字。
typing 用作定语修饰名词，如 typing speed、typing skills。
Good typing skills are essential for this job.
良好的打字技能对这份工作至关重要。
have...to do 表示‘有...要做’，typing 在此为名词。
I have a lot of typing to do before the deadline.
我在截止日期前有很多打字任务要做。
Not this
I am good at type.
Use this
I am good at typing.
介词 at 后要接名词或动名词，不能接动词原形；typing 是动名词，表示“打字”这个动作。
Not this
Practice to type every day.
Use this
Practice typing every day.
动词 practice 后接动名词作宾语，不接带 to 的不定式；typing 表示“打字”这一活动。
Not this
Type is a useful skill.
Use this
Typing is a useful skill.
作主语表示“打字这件事”时要用动名词 typing，不能用动词原形 type；type 作名词意为“类型”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
打字速度
Her typing speed improved after a month of practice.
练习一个月后，她的打字速度提高了。
打字技能
Good typing skills are essential for many office jobs.
良好的打字技能对许多办公室工作来说至关重要。
盲打
He learned touch typing in high school.
他在高中学会了盲打。
打字错误
The report was delayed because of several typing errors.
由于多处打字错误，报告被耽搁了。
打字测试
Candidates must pass a typing test before being hired.
应聘者必须先通过打字测试才能被录用。
做打字工作
I need to do some typing for my boss this afternoon.
今天下午我需要帮老板做一些打字工作。
Use typing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 typing 拆成 type（打字）+ ing，记住“正在打字”就是 typing；想象手指在键盘上噼里啪啦地敲。
语域：neutral 常见场景：电脑操作、办公场景、日常交流 该词表示“打字”时，通常用于日常生活和办公场景，语气中性，在口语和书面语中都比较常见。
不可数名词
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.