🧩 词语组成解析
bed
[bɛd]
n. 床;苗圃;河床;（地下由黏土、岩石等构成的）地层;
vt. 把…固定在;（某人）发生性关系;给人铺床;
vi. 上床;分层;
covering
['kʌvəriŋ]
n. 掩蔽物，遮盖物;
v. 覆盖( cover的现在分词);
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
I often study in the morning.
我常常在早上读书。
Thank you very much.
非常谢谢你。