H substance
[医] H物质, 释放物质
🧩 词语组成解析
🗣️ 情景例句
you can help me with dinner.
你就来帮我准备晚餐。
She asked me which one I'd like, and I said I didn't mind.
她问我要哪一个，我说哪一个都没有关系。[动词时态一致，这是中国人学习英语最头痛的一个问题。]
Lucy ran home at once. Her mother saw her when she arrived.
露西马上跑回家。到家时母亲看见了她。