Barium persulfate
[化] 過硫酸鋇; 過二硫酸鋇
?? 詞語組成解析
barium
[['b??ri?m]]
n. 鋇\\n[化] 鋇Ba
[醫] 過硫酸鹽
??? 情景例句
You should quit smoking, now!
你應該現在就戒煙！
How much ink did you want to get ?
你要拿多少墨水？
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一點，腦電圖記錄儀（不過是一種把電極接到頭皮上記錄腦電活動的儀器）顯示，人在睡眠時大腦活動的方式有變化，