Ortho-hydroxybenzoic acid
[建] 柳酸
🧩 词语组成解析
原; 直
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
How long will it take you to have it counted?
你要多少天才能把它计算好？
The same policeman was just walking slowly past the entrance, when Patrick asked the same question.
昨天的那位警察正从门口慢慢走过，帕特里克上前问了和昨天同样的问题。