1
turn over the hourglass
hourglass 是可数名词；turn over 表示把沙漏上下颠倒。
He turned over the hourglass to measure twenty minutes.
他翻转沙漏来计时二十分钟。
沙漏；时漏
先理解核心含义，再看它在真实句子里的用法。
沙漏；时漏
a sandglass that runs for sixty minutes
He turned over the hourglass to measure twenty minutes.
他翻转沙漏来计时二十分钟。
由两个玻璃容器通过细颈连接、沙粒在其中流动的计时器
A clock made of two glass vessels connected by a narrow passage through which sand flows.
计时六十分钟的沙漏
a sandglass that runs for sixty minutes
形状像沙漏的光标,表示计算机正忙
A cursor, often shaped like an hourglass, indicating that the computer is busy.
The teacher placed a small hourglass on her desk to time the reading activity.
老师把一个小沙漏放在桌上，给阅读活动计时。
An hourglass with white sand sat on the windowsill, and we watched the sand trickle through.
一个装着白沙的沙漏放在窗台上，我们看着沙子慢慢漏下。
In the escape room, the players had to find the key before the hourglass ran out.
在密室逃脱中，玩家必须在沙漏漏完之前找到钥匙。
hourglass 是可数名词；turn over 表示把沙漏上下颠倒。
He turned over the hourglass to measure twenty minutes.
他翻转沙漏来计时二十分钟。
run out 表示沙漏中的沙子漏完，常用于比喻时间用尽。
The hourglass ran out before we finished the game.
我们的游戏还没结束，沙漏就漏完了。
like an hourglass 常用来描述物体中间收缩、像沙漏一样的形状。
The vase is shaped like an hourglass.
这个花瓶的形状像沙漏。
Not this
I need a hourglass for my science project.
Use this
I need an hourglass for my science project.
hourglass 以元音音素 /aʊ/ 开头，且 h 不发音，所以不定冠词要用 an，不能用 a。
Not this
The room had three hourglass on the shelf.
Use this
The room had three hourglasses on the shelf.
hourglass 是可数名词，复数形式是 hourglasses；表示三个时应加复数词尾 -es。
Not this
The hour glass is filled with sand.
Use this
The hourglass is filled with sand.
hourglass 是一个复合名词，应连写为 hourglass，而不是分成两个词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
沙漏型身材（细腰丰胸的体形）
She has an hourglass figure that many models admire.
她拥有许多模特羡慕的沙漏型身材。
沙漏形状，中间窄、两端宽的形态
The flask was blown into an hourglass shape for easy gripping.
这个烧瓶被吹制成沙漏形状，以便于握持。
沙漏计时器
The game comes with an hourglass timer for each round.
这个游戏配有一个用于每轮计时的沙漏计时器。
翻转沙漏（重新开始计时）
When the sand ran out, he turned the hourglass over.
沙子流完后，他翻转了沙漏。
沙漏中的沙子（比喻流逝的时光）
The sand in the hourglass drains away no matter how much you wish it to stop.
无论你多么希望沙漏停下，其中的沙子总会流尽。
沙漏腰，极细的腰身
The corset emphasized her hourglass waist.
束身衣凸显了她的沙漏腰。
沙漏型身材
She has an hourglass figure.
她是沙漏型身材。
像沙漏中的流沙一样（比喻时光流逝）
Like sands through the hourglass, so are the days of our lives.
就像沙漏中的流沙，我们生命的时日也如此流逝。
Use hourglass naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 hour（小时）和 glass（玻璃）拼在一起：装着一小时沙子的玻璃器皿，就是沙漏。
语域：neutral 常见场景：教室演示、计时游戏、桌面摆件 该词为中性词，通常用于描述用沙子计时的传统器具，比较常见于课堂演示或作为装饰摆件等日常场景。
这些词都与 hourglass 末尾的 /æs/ 押韵（美式读音），如 glass /ɡlæs/。注意 hourglass 中的 h 不发音，读作 /ˈaʊɚɡlæs/，不要按拼写读成 /ˈhaʊr.../。另外，英式英语常把这类 -ass 读成 /ɑːs/，例如 glass /ɡlɑːs/、class /klɑːs/，与美式 /æs/ 不同。
Dictionary facts from ECDICT, WIKTIONARY.