a 90
表示分数
She got a 90 on the test.
她在考试中得了90分。
九十
ninety
the cardinal number 90
ninety
n the cardinal number that is the product of ten and nine;s being ten more than eighty
My grandfather is 90 years old and still very active.
我的祖父90岁了,仍然非常活跃。
用法提示:这里的90作为数字修饰years,表示年龄。
She scored 90 out of 100 on the math test.
她数学考试得了90分(满分100分)。
用法提示:这里的90表示分数,是名词性用法。
The company has 90 employees working in three shifts.
这家公司有90名员工三班倒工作。
用法提示:这里的90作为数字修饰employees,表示数量。
表示分数
She got a 90 on the test.
她在考试中得了90分。
表示十年
The song was popular in the 90s.
这首歌在90年代很流行。
表示年龄
My grandmother turned 90 last week.
我的祖母上周满90岁。
数字90和19易因数字顺序颠倒而混淆。90表示九十,19表示十九。
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