necessitate vt. 使……成为必要, 需要
Your proposal necessitates borrowing money.
colossal adj. 巨大的
Some of the tall buildings in that city are colossal.
deposit vt. 放置; 放下
He deposited the books on the desk.
He's deposited quite a lot of money recently.
He deposited a small amount of money toward the purchase of the car.
silt n. 淤泥, 淤滓vt. & vi. (河流等)为淤泥淤塞
Mud and silt have been continuously deposited in the lake.
Joy and sadness are experienced by people in all cultures around the world, but how can we tell when other people are happy or despondent? It turns out that the expression of many
"When people succeed, it is because of hard work, Luck has nothing to do with success." Do you agree or disagree with the quotation above? Use specific and examples to explain your