落幕的英文：
drop scene
ring down the curtain

参考例句：

Ring down the curtain on the first act
第一幕结束时响铃落幕.

There was thunderous applause when the curtain came down.
落幕时响起了雷鸣般的掌声。

drop是什么意思：
v. 落下；降低；垂下；停止；终止；放弃；与…断绝联系
n. 落差；球状糖果；珠，滴；少量

A small amount of liquid;a drop.
少量液体；一滴

low-velocity drop
低速度空投

high velocity drop
高速度空投

scene是什么意思：
n. 场面，现场；情景，景象；（戏剧的）一场；景色，风景；事件

You were at the scene!
你当时就在现场！

There is no distant transmitter to telecast the scene.
没有远距离发射机传送景象。

The scene or setting, as of a novel.
场景一部分小说的场面或布景

ring是什么意思：
n. 环形物；戒指；拳击场；铃声，钟声
v. 包围；成环形；按铃；敲钟；回响；打电话

There was a ring at the bell.
铃声响了。

The impulse ring is a composite, magnetized ring.
脉冲环是一个合成磁化圈。

That ring is certainly the cheese.
那只戒指无疑是精品。