?
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。

serums
GRE

n. 血清,浆液

1. HBV serums were all negative.
乙型肝炎血清全部阴性。
2. At home creams, serums, cleansers etc in concentrations up to 15%.
在家里面霜,血清,清洁等,在浓度高达15 %。
3. All groups had PPD skin test, and serums were sampled in two copies.
各组均做PPD试验,并且均留取两份血清标本。
4. The difficulty is getting the snake bit victims to the serums in time.
困难的是要让被毒蛇咬到人能及时注射抗毒血清。
5. The SERS spectra of serums from the healthy persons and rash patients were measured.
研究了皮疹患者和健康人血清的表面增强拉曼光谱。