"回家立即洗手"的英文表达可以是"go home and wash your hands immediately"。这个表达的来源可能是来自于健康和卫生方面的建议。洗手是一种很重要的卫生习惯，因为它能帮助减少细菌和病毒的传播，保护你的健康。
下面是一些英文例句：
"Please go home and wash your hands as soon as you get there." (请回家立即洗手)
"It's important to wash your hands before eating to avoid getting sick." (在吃饭之前洗手很重要，这能帮助避免生病)
"Remember to wash your hands regularly throughout the day to keep germs at bay." (记得整天保持洗手习惯，以防止细菌的传播)
下面是一些英文例句：
"Please go home and wash your hands as soon as you get there." (请回家立即洗手)
"It's important to wash your hands before eating to avoid getting sick." (在吃饭之前洗手很重要，这能帮助避免生病)
"Remember to wash your hands regularly throughout the day to keep germs at bay." (记得整天保持洗手习惯，以防止细菌的传播)