Xanthagenate
磺酸盐
🗣️ 情景例句
Try to think in English whenever possible.
尽可能用英文思维。
Never trust of fine words.
切勿轻信漂亮的言词。
A long time ago, one of his ancestors who lived in Africa went into the forest to cut down a tree to make a drum.
很久以前，他那生活在非洲的祖先中有一人走进森林去砍树来做鼓。