入水口的英文：
entrance ;inlet ;intake

entrance是什么意思：
n. 入口，门口；进入，登场，入学
v. 使狂喜，使着迷

She was entranced with the music.
这音乐使她听得出了神。

No entrance without a permit.
没有许可证不准入内。

To gain entrance gradually or surreptitiously.
渗透逐渐地或秘密地获得进入权

inlet是什么意思：
n. 水湾；入口

He's a sheltered inlet for me.
他是我避风的小港湾。

The police had blocked the inlet to the inn.
警方已经封锁了客栈的入口。

inlet of the Ionian Sea between central Greece and the Peloponnesus.
爱奥尼亚海的一个入口水湾，位于希腊和伯罗奔尼撒半岛之间。

intake是什么意思：
n. 摄取量；纳入量；通风口

Intake of dry matter is also impaired by this lower digestibility
牲畜所采食的干物质数量会因可消化性差而减少。

Intake in state primary schools is down by 10%.
公立小学入学人数下降了10%。

The air intake must be silenced to some degree.
进气口的噪声太大，必须在一定程度上加以消除。