🧩 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
We sure do, Dad.
当然 ，爸爸。
Where is immigration?
入境处在什么地方？
Boxing matches were very popular in England two hundred years ago.
两百年前，拳击比赛在英国非常盛行。