Light travels at about____.
Light travels at about____.
A.300 000 kilometres a second B.300 000 kilometres every second 選哪項?為什么?每小時5英里怎么表示?
A.300 000 kilometres a second B.300 000 kilometres every second 選哪項?為什么?每小時5英里怎么表示?
其他人氣：359 ℃時間：2020-04-23 08:52:38
優(yōu)質(zhì)解答
A. 可以說是固定搭配吧,表達(dá)這樣的數(shù)量時,“每”都是用a/an翻譯的.每小時5英里就是 5 miles an houra 或 an 一般也可以用 per 代替(幾乎是可以互換的).例300 000 kilometres per second5 miles per hour再給一些其它...
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