Translation of "slowly" into Chinese

You speak a bit too fast for me. Could you speak a bit more slowly, please?

你說得太快了,我聽不懂。你可以說慢一點嗎?

A whistle blew, and the boat slowly began to pull out of port.

汽笛声响起,船开始慢慢地驶离港口。

Thus, malaria has only slowly received the international attention it must command.

因此,疟疾只是缓慢地获得其必须得到的国际关注。