Tetrasaccharide
四糖
🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
Love is like the moon; when it does not increase it decreases.
爱情像月亮，不营即亏。
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。