碳浓度的英文：
carbon intensity
n. 碳；复写纸
Carbonation is the combination of carbonate or bicarbonate ions with minerals
碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用。
editmetallized carbon filament
金属化碳丝
Coke consists mainly of carbon.
焦炭的主要成分是碳。
The residue is progressively enriched in carbon.
残留部分愈来愈富含碳质。
On hydrolysis carbon dioxide is evolved.
水解时，放出二氧化碳。
n. 剧烈；紧张；强度；热情；专心致志
intense heat; intense anxiety,; intense desire; intense emotion; the skunk's intense acrid odor; intense pain; enemy fire was intense.
酷暑；强烈的渴望；强烈的愿望；强烈的情绪；臭鼬的强烈而刺鼻的气味；剧烈的疼痛；敌人的火力很强。
There followed a intense debate.
接下来是一场激烈的争论。
They take the intensive training course.
他们接受密集的训练课程。
The river valley is intensively cropped.
河谷里种满了庄稼。
The pain increased in intensity.
疼痛越来越剧烈。