sit in on

v.

出席；

On ethical locations: The good death in Thailand, where ethics sit in places
Characterization of C2 (CxHy) Intermediates from Adsorption and Decomposition of Methane on Supported Metal Catalysts by in situ INS...
SIT-IN on Heterogeneous Data with Java, HTTP and Relations
Sit in on a KLAUS BALKENHOL CLINIC
Sit in on our session at Pack Expo
BAM II - The demands - Rob Meachum, "Administration Building sit-in: Talks on demands to continue Monday"
An Unexpected Masterpiece the Monitor Invites You to Sit in on the First in a Series of Conversations with Art Museum Curators on Ch...
March through Ann Arbor & Sit-in on National Election Day, 1968
On how people sit in meetings - Wired Opinion
Chipman, Toews, Crosby to Sit in on Meeting