Para-hydroxybenzoic acid
[建] 對(duì)一羥基苯甲酸
?? 詞語(yǔ)組成解析
[經(jīng)] 帕拉
??? 情景例句
How can I reward your help?
我怎樣才能報(bào)答你的幫助呢？
The window-washer has a dangerous job.
玻璃清潔工擔(dān)負(fù)著危險(xiǎn)的工作。
Then, instead of having someone answering the phone all day, people can ring up the railway station and listen to a tape recording of the information.
然后，人們可以打電話到火車站，從錄音電話中獲取信息，而不要安排一個(gè)專人整天接電話。