be boardingTTif a plane or ship is boarding, passengers are getting onto it 正在登机；正在上船 Olympic Airways Flight 172 to Istanbul is now boarding at Gate No. 37. 奥林匹克航空公司前往伊斯坦布尔的172次航班正在37号登机口登机。
be boarding• People were boarding and I elbowed my way into line.• They want a meeting, they intimate, and are boarding for that purpose now.• There was more to this, when Sammler was boarding in the tomb.• The other option to consider will be boarding kennels.
→ be boarding at board2(1)