英语词汇“Grammar of the present tense”的翻译、意思、用法、释义-英汉汉英双解词典

单词	Grammar of the present tense
释义	Grammar of the present tense 直陈现在式
随便看	silica sand ultra-fine dust silica scale silica scum silica seed silica sesquioxide ratio silica-sesquioxide ratio silica sheathed thermometer silica sheet silica shell silica silicarenite silicasilicon dioxide silicasilicon oxide silica/silver silica sinter silica skeleton silica slag silica slags silica sludge removal silicasol silica sol silica-sol silica solar cells silica sol binder silica sol-gel silica sol gelcasting