Effuser
噴管; 擴散噴管; 漫射體; 集氣管
??? 情景例句
Oh, you look so beautiful, Susan. My granddaughter.
啊 ，真漂亮 ，Susan 我的好孫女。
Excuse me I couldn't write you sooner.
對不起我不能盡快給你寫信。
and that this happens at a rate which differs little from person to person,
衰老的速度在人與人之間相差甚微，