Phthalo
苯二甲蓝染料
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
The accident held the train up for an hour.
那事故使火车延误了一个小时。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。