Nihil obstat
(=nothing hinders)無阻礙
?? 詞語組成解析
n. 無, 虛無
??? 情景例句
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
Air China has a flight leaving at 9:25.
中國航空公司有一班飛機，9點28分起飛。
What kind of music does he sing?
他演唱哪種音樂？