用"slow down"造句如下：
"Please slow down when you drive through the school zone."（當你駕車經過學校區域時，請減速。）
"I need to slow down and take a break, I'm feeling overwhelmed with work."（我需要放慢腳步，休息一下，我感覺工作太多了。）
"The runner was told to slow down and pace himself for the long race."（那位跑步者被告知要放慢速度，為長跑保持穩定的步伐。）
"Can you slow down your speech? I'm having trouble understanding you."（你能說慢點嗎？我聽不懂你的話。）
"As we get older, we need to slow down and appreciate the simple things in life."（隨著年齡的增長，我們需要放慢腳步，欣賞生活中的簡單事物。）
注意：以上句子僅為示例，實際使用時請根據語境調整。