音频下载[保存到本地收听] 3_11 need to wash up 
Excuse me a moment. 对不起,我离开一下. 
I’ll be right back. 我很快就回来. 
Please wait for me. 请等我. 
Nature’s calling. 我内急. 
I need to wash up. 我需要洗个手. 
I need to use the facilities. 我需要上洗手间. 
Where’s the bathroom? 厕所在哪里? 
Which way should I go? 我该往哪里走? 
Where can I find a restroom? 哪里有洗手间?