Ammonium hydrogen carbonate
[化] 碳酸氫銨
?? 詞語組成解析
n. 銨\\n[化] 銨
carbonate
[['kɑ:b?neit]]
n. 碳酸鹽\\nvt. 使碳酸鹽化, 使充滿二氧化碳
??? 情景例句
The fifth word is seven.
第五個字是七。
Congratulations on your vitory.
我恭喜你勝利了。
His work starts at half past eight, and finishes at a quarter to five.
30開始工作，4：45下班。