Tyndall
n. 廷德爾（姓氏）；廷德爾（英國物理學(xué)家）
??? 情景例句
You never know what you can do till you try.
除非嘗試，否則你永遠(yuǎn)都不知道你有何價(jià)值。
I was born and raised in Beijing, and I am 25 years old.
我出生在北京，在那里長大，我今年25歲了。
Will you please sweep the floor and tidy the classroom every day?
請你們每天都打掃地板、整理教室，好嗎？