Part per million是什么意思？

• reveal
• chess翻译
• permitted
• conflict
• 方案英语
• 旋律的英文
• 缺陷英文
• 抛弃英文
• predict
• 队长的英文
• 实施英文
• prompt
• ultra
• dragon
• panicked
• begins
• peeping
• failure
• 参与者英文
• emergency
• front
• neck
• client
• profile
• 呼吁英语
• vehicle
• narrow
• saturday
• maths
• 导师英文

• theatre
• fake
• polite
• supper
• algiers
• scared
• fiercely
• bothering
• general
• 造型的英文
• cloud
• various
• 解决方案英文
• BARRIE
• disappointed
• sweater
• amazing
• repeat
• committing
• cheese
• passage
• juice
• banger
• tourist
• mind
• crayon
• default
• PEGGING
• lake
• candy

• volleyball game
• school day
• years old
• go to a movie
• Beijing Opera
• what time
• go to school
• take a shower
• go to work
• get to
• do homework
• go home
• the United Kingdom
• pay phone
• across from
• on the right
• have fun
• at night
• bank clerk
• TV station
• police station
• TV show
• wait for
• on vacation
• take a photo
• have a good time