Methanal
n. 〈化〉甲醛
🗣️ 情景例句
but I wanted this weekend to be special for you.
但我希望这个周末对你来说很特别。
I can speak Chinese.
我会说中国话。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，