Semialdehyde
半醛
🗣️ 情景例句
Looking at the houses.
看房子。
Try your friend ere you trust him.
对朋友要先考验，后信任。
Could I have your latest catalogues or something that tells me about your company?
可以给我一些贵公司最近的商品价格目录表或者一些有关说明资料吗？