?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

flattened
IELTS

美 / ˈflætnd /
v. “flatten”的过去分词和过去式

1. He flattened his hair down with gel.
他用发胶把头发弄平。
2. The city has been flattened by heavy artillery bombardments.
该城市因遭重炮轰击而夷为平地。
3. Her short hair was oddly ruffled and then flattened around her head.
她的短发被怪怪地弄乱然后压平在头上。
4. He flattened the wrappers and put them between the leaves of his book.
他抚平了包装纸,把它们夹在了书页中间。
5. Some of these chairs have flattened feet which spread the load on the ground.
这些椅子中有些是平脚的,这样可分散地面所受的压力。