🧩 词语组成解析
hand
[hænd]
n. 手;协助，帮助;（工具等的）把，柄;掌管;
vt. 传递，交给;搀扶;支持;
n. 发信号；打信号
🗣️ 情景例句
Thank you for asking.
谢谢你请我。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
He showed that the average individual's sleep cycle is punctuated with peculiar bursts of eye-movements,
他指出，平常人的睡眠周期中不时伴有一阵阵奇怪的眼球队活动，