Stachydrine
水苏碱, 脯氨酸二甲内盐
🗣️ 情景例句
Help me with this tie, will you?
帮我打领带 好吗
Could you tell me where is the elevator?
你能不能告诉我电梯在哪里？
He usually takes a short walk in the evenings and is always home by seven o'clock.
傍晚常常出去溜达一会儿，并且总是在7点钟以前回来。