mainsheet /'meinʃi:t/ 📖 中文释义 n. 主帆帆脚索 🧩 词形变化 复数 mainsheets 📘 English Definition(英文释义) n (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind ← mainscan M 字母词表 mainsheets →