Zirconic anhydride
[機] 氧化鋯
?? 詞語組成解析
a. [礦]鋯的, 含鋯的
[化] 酸酐; 酐; 某酐\\n[醫] 酐, 脫水物
??? 情景例句
For a year or two
在一兩年內
I invited him to come in, but he wouldn't.
我請他進來，但是他不肯。
Do you give each other presents at Christmas?
圣誕節你有送禮物給別人嗎？