River birch
un. 红桦\\n
🧩 词语组成解析
river
['rivə]
n. 河，江;溪，巨流;
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
Robbie and Alexandra told me
Robbie和Alexandra告诉我
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
And if this something else is rightly chosen,
如果选得合适，