Polyketides
聚酮
🗣️ 情景例句
She has a special way with kids.
她对孩子很有一套。
Industry is fortune's right hand,and frugality her left.
勤勉是幸运的右手，世俭是幸运的左手。
but Captain Fawcett did not take him because the trip was too dangerous.
弗西特机长之所以不送他去，是因为那段飞行太危险了。