【简答题】◆ sign n. 1 an , fact, etc . that shows that something is happening or that something is true or exists 迹 象,征兆; 2 a pi ec e of p a p e r , m e t a l, or w ood w ith w o r d s or a pi c tu r e th ...
【单选题】S1:Is your washing finished?S2:It will be soon. It's now in the spin cycle.S1:I saw someone rinsing something under running water. Isn't that wasteful?S2:Yes.Even though we can get as much water as we...