今日挑戰句子
影片不是英文？
For a streak-free shine, that is a weak base. So, it doesn't take much to be an active player in the chemical economy.
讓玻璃晶瑩剔透，那是弱鹼。所以，在化學的經濟體系裡，不必投入太多也能成為活躍玩家。
句子選自此影片：酸鹼的優缺點
學習重點
1. Weak base弱鹼
Weak base
(.)弱鹼
每日口說挑戰酸鹼的優缺點
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Practice makes perfect5 年前
veronika5 年前
vm354cj611057 年前
Brian10 年前
Arthur10 年前
Tony chiu10 年前
For a streak-free shine, that is a weak base. So, it doesn't take much to be an active player in the chemical economy.
shirley10 年前
chemical economy
Cecilia Zhan11 年前
chemical economy
Danbury11 年前
in the chemical economy
Cookie :]11 年前
I want someone s encourage.