Protocatechuic acid
[化] 原儿茶酸; 3,4-二羟苯甲酸\\n[医] 原儿茶酸, 3,4-二羟苯酸
🧩 词语组成解析
🗣️ 情景例句
Which university do you attend?
你在哪所大学读书？
A single spark can start a prairie fire.
星星之火，可以燎原。
For the first time in his life, he became the proud owner of a bed which had springs and a mattress.
他平生第一次自豪地拥有了一张既有弹簧又带床垫的床。