adv.通常；經(jīng)常

I usually wake up early. 我通常醒得很早。

Medicines are usually compounds. 藥品通常是復合物。

They don't usually imprison first offenders. 他們通常不監(jiān)禁初次犯罪的人。

A man's voice is usually lower than a woman's. 男子的嗓音通常比女子的低。

Children under five usually travel free on trains. 五歲以下的兒童乘火車通常免費。

The teacher usually worked on till late at night. 這位老師經(jīng)常一直工作到深夜。

usually是頻度副詞,意思是“常常”“習慣于”,有遵循常規(guī)的意思,其經(jīng)常性約為90％。

usually只能用作狀語,位于實義動詞之前,系動詞、助動詞或情態(tài)動詞之后,也可放在句首或句末表示強調(diào)。用于否定句時,多位于實義動詞與系動詞、助動詞或情態(tài)動詞的中間

usually也可位于否定句之前,表示某事通常不會發(fā)生。

unusually同usually的用法不一樣,unusually只用來修飾形容詞或另一個副詞,不能用來修飾動詞。例如:He's unusually fond of chocolate.他非常喜歡巧克力。I see,you had done your homework unusually well.原來,你作業(yè)做得非常出色。

adv.異乎尋常地；顯著地；非常