J acid
[化] J酸; 2-氨基-5-苯酚-7-磺酸
🧩 词语组成解析
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
To his astonishment, the bee began to perform a dance on the surface of the honeycomb.
冯·弗里施就透过玻璃进行观察。