Butylene-glycol-2,3
[建] 丁二醇-2,3, 丁隔二醇
?? 詞語組成解析
n. [化]丁烯
n. 乙二醇\\n[化] 二醇; 乙二醇
??? 情景例句
What's happening in Singapore recently?
近來新加坡的情況怎樣？
I wrote to him last Friday.
我上個星期五寫信給他。
I know. I can help him with most of his subjects.
我知道。我可以幫助他學習絕大多數(shù)科目。