Valylene
缬烯炔, 2-甲基-1-丁烯-3-炔, 异戊稀炔
🗣️ 情景例句
Good. What do you think, Richard?
好。 你看呢 Richard？
That eases my mind.
那我就放心了。
Then he and Jane went horse-riding.
然后，他和简一起去骑马。