🧩 词语组成解析
coffee
['kɔfi]
n. 咖啡豆;咖啡粉;（一杯）咖啡;非正式的社交集会;
substitute
['sʌbstɪtut]
vt.& vi. 代替，替换，代用;
n. 代替者;替补（运动员）;替代物;[语法学]代用词;
vi. 用…替代;
sub在下面，副手，次一等+stitute放置→在下面放着→替代人员；代替
🗣️ 情景例句
for the one seat on the Riverdale School Board,
争夺Riverdale联合校董会一个席次
All I have to do is learn English.
我所要做的就是学英语。
When he went outside half an hour later, he was astonished to find the little black lamb was almost white.
半小时后，当他从屋里出来时，他惊奇地发现小黑羔羊全身几乎都变成白色。