rowlock
(US also `oarlock) n device on the side of a rowing-boat for keeping an oar in place (划艇边缘的)桨架. =>illus at rowing-boat (row2) 见 rowing-boat(row>>2) 插图. Cf 参看 thole.
🗣️ 情景例句
Oh, I don't know.
噢,这个我就不知道啦。
If we had been more careful, we would be getting much better results now.