🧩 词语组成解析
swamp
[swɑmp]
n. 沼泽（地）;湿地;
vt. 淹没;使沉没;使陷入困难;忙得不可开交;
vi. 淹没，沉没;
birch
[bə:tʃ]
n. 桦树，桦木;（鞭打用的）桦条;
vt. （用桦条）抽打，鞭挞;
🗣️ 情景例句
Believe me, I won't.
放心， 我不会的。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
She wanted to find out whether it would be comfortable to wear.
想看穿起来是否舒服。