?
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。

current of air

na. 气流

1. Wind is a current of air caused by a vacuum caused by hot air rising.
风是由热空气上升产生真空而引起的空气流动。
2. A cold current of air came in when the window was open.
窗户一打开,进来一股冷空气。
3. To expel a current of air, AS from the mouth or from a bellows.
从嘴或风箱中往外送气。
4. Pay special attention to the air gap, because current of air gap is easy to be gushed out.
还要特别注意铸造材料的气隙,因为在气隙中水流易于涌出。
5. The huge current of air leads my cheek, very clear and matchless, become a kind of appearance.
巨大的气流拂过我的面颊,透彻无比,形成一种假象。