Pentone
纈烯炔, 異戊烯炔
??? 情景例句
May I please speak to Mr. Kong?
我可以孔先生講話嗎？
She had to keep out of sight when her husband was holding a meet.
她在丈夫舉行會議時只得避不露面。
with, superimposed upon, it the continents, together with the islands and other features of the oceans.
上面附加著大陸以及島嶼和海洋的其他形態。