Polyketides
聚酮
🗣️ 情景例句
Excuse me, where can I find the shoe polish?
问一下，我到哪儿能买到鞋油？
Did you make bean milk yourself?
你自己亲自做豆奶？
he stooped to talk to a workman.After they had gone on,
途中，停下来与一个工人交谈，接着他们继续往前走去。