Ethanal
乙醛
🗣️ 情景例句
You don't know what the surprise is yet?
你们还不知道这个惊喜是什么？
So soon? Why don't you stay a little longer?
这么早就走了？为什么不呆一会呢？
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。