Stipolac
四碘波拉克, 四碘酚酞钠(造影剂)
🗣️ 情景例句
She's unhappy
她很不高兴。
He informed them that his mother had died.
他通知他们的母亲死了。
That is perhaps why sculpture has been described as the most difficult of all arts;
雕塑被说成是所有艺术中最难的艺术，可能就是这个道理。