Isotacticity
全同立构规整度
🗣️ 情景例句
Good night, Son.
晚安， 儿子。
When can we expect its delivery?
什么时间能发货呢？
She walked slowly into the hall and at once noticed that all the room doors were open,
她慢慢地走进前厅，立即发现所有的房门都敞开着，