2月九日用英语怎么表达

　　In his address on February 9th, Mr Jonathan unveiled his aims.

　　在2月9日的讲话中，乔纳森阐明了他的目标。

　　After weeks of negotiations, that deal was announced on February 9th.

　　经过几周的协商后，那个交易于2月9日被宣布达成。

　　Mr Leng abruptly announced his resignation as Rio's chairman-designate on February 9th.

　　吉姆棱于2月9日突然宣布辞去董事长一职。