Sarfa
[瑞士]薩爾法(加捻粘膠長絲)
??? 情景例句
Sorry, but he is out at the moment.
抱歉，他現在出去了？
A book is the same today as it always was and it will never change.
一本好書今天如此，將來也如此，永不改變。
I'm not sure I can do it.
恐怕這事我干不了。