Swamp cottonwood
un. 池杨\\n
🧩 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;
cottonwood
['kɔtənwʊd]
n. 三叶杨，棉白杨;
🗣️ 情景例句
What can I do for you?
我能帮你什么忙？
I mean it.
我不是开玩笑的。
George studied medicine in his youth.
乔治年轻时学过医，