Sand-clock
沙漏（一种计时器）
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
clock
[klɑk]
n. 钟，时钟;计时器;秒表;仪表;
vt. 记录（时间或速度）;测…的速度;
vi. 打卡;记下时间;
🗣️ 情景例句
How would you like your steak done?
您的牛排想要几成熟？
It's hard to say.
很难说。
I know. I can help him with most of his subjects.
我知道。我可以帮助他学习绝大多数科目。