Jackyarder
(四角斜桁)辅助帆, 纵上帆
🗣️ 情景例句
Be careful not to drink the water in__.
小心点儿，不要乱喝水。
The post office is two blocks straight ahead, You can't miss it.
那邮局一直向前走过两条街，很好找。
The slope averages about 1 in 30, but contains steep,
坡度平均约为1/30，但其中包括陡峭的，