Cycloaddition
n. [化]环加成( 指不饱和分子化合成一环状化合物的反应)
🗣️ 情景例句
Yes, Philip.
什么事 ，Philip？
To minimize any possible damage, we've packed our goods in the way to suit for long sea-voyage.
为使损失减少到最低限度，我们对货物的包装足以承受长途海运。
It has belonged to our family for a long time.
我们家有这件乐器已经很久了，