Hand rubber
[電] 硬橡皮
?? 詞語組成解析
hand
[h?nd]
n. 手;協助，幫助;（工具等的）把，柄;掌管;
vt. 傳遞，交給;攙扶;支持;
rubber
['r?b?]
n. 橡膠;橡皮;決勝局;避孕套;
adj. 橡膠制成的;
vt. 涂橡膠于;用橡膠制造;
vi. 扭轉脖子看;好奇地引頸而望;
rubb=rub相互磨擦+er名詞后綴 → 能相互摩擦的 → 橡皮
??? 情景例句
I'm meeting my girlfriend at 6:00.
我約好六點跟我女朋友見面。
Why did you get up so early?
為什么你這么早起床？
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
順便提一句，上星期六上午我來到這個教室時