Petn
[医] 四硝酸戊赤藓醇[酯], 四硝酸戊四醇[酯], 长效硝酸甘油
🗣️ 情景例句
How about a date with your grandfather?
和你爷爷约个会好吗？
A book is the same today as it always was and it will never change.
一本好书今天如此，将来也如此，永不改变。
All right. I will send the information on a piecemeal basis as we acquire it.
好。我们收齐之后会立即寄给你。