Pennone
四甲基-2-戊酮
🗣️ 情景例句
Loosen up! it's not worth getting upset about.
放松点儿！ 不值得为这件事苦恼。
True love kythes in time of need.
患难显真情。
To our dismay, we saw that there were snails everywhere:
让人沮丧的是，我们发现到处都是蜗牛：