Naphthathiourea
a-萘硫脲
🗣️ 情景例句
The boy has infected tonsils,
这孩子的扁桃腺受到感染了，
Turn left at the second light and then go straight for two blocks.
到第2排红绿灯处往左拐，然后一直往前走，过两个街区。
On her way home she bought a new pen at a shop.
回家路上，她在一家商店买了一支新钢笔。