重要
noun [专属名词]三十年代
He was struck down by cancer at the age of thirty.
他在 30 岁时被癌症夺去了生命。
numeral [基数词]三十
By sunset we had covered thirty miles.
到日落时我们已走了三十英里。
adjective [原级]三十个的
Some thirty people attended the funeral.
大约有三十人参加了葬礼。
单词造句:
He was struck down by cancer at the age of thirty.
他在 30 岁时被癌症夺去了生命。
By sunset we had covered thirty miles.
到日落时我们已走了三十英里。
Some thirty people attended the funeral.
大约有三十人参加了葬礼。