reaction
[ri`ækʃən]
n. (化學)反應;回應
例句

Bread and cheese are both made by chemical reactions.

麵包和乳酪都是由化學反應製成的。

powder
[`paᴜdɚ]
n. 粉、粉末
例句

I think I put too much garlic powder in this soup.

我想我在這道湯裡放太多大蒜粉了。

release
[rɪ`lis]
v. 排放;釋放;發行、公布
例句

Cars release gasses into the air that are bad for the planet.

汽車會排放對地球有害的氣體到空氣中。

plastic
[`plæstɪk]
adj. 塑膠(製)的
例句

I like to make things out of old plastic bottles.

我喜歡用舊的塑膠瓶來做東西。

prevent
[prɪ`vɛnt]
v. 預防、阻止
例句

Chloe was prevented from sleeping by the loud music playing next door.

克蘿伊被隔壁播放的吵雜音樂吵到無法入睡。

說明
prevent sth/sb from V-ing 表示「防止某事物⋯⋯;使某人無法⋯⋯」