Polysaccharides
多糖
🗣️ 情景例句
she's still alone, without her family.
她仍是孤单单的，找不到家。
Goodbye. Remember to look me up if you're ever in Washington.
再见。要是你光临华盛顿的话，别忘了来看我。
At that moment, everybody began to laugh and sing.
此时，大家已经笑了起来，同时唱起了歌。