单词	describe an arc
释义	请查阅describe a circle/an arc etc
随便看	Mail-topic Jiffy bag Mail-topic junk mail Mail-topic junk mail Mail-topic letterbox Mail-topic letterbox Mail-topic love letter Mail-topic love letter Mail-topic mail Mail-topic mail Mail-topic mailbag Mail-topic mailbag Mail-topic mailbox Mail-topic mailbox Mail-topic mail carrier Mail-topic mail carrier Mail-topic mail drop Mail-topic mail drop Mail-topic mailer Mail-topic mailer Mail-topic mailing list Mail-topic mailing list Mail-topic mailman Mail-topic mailman Mail-topic mailshot Mail-topic mailshot 词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典词语词典軽風軽飛行機軽食較較正較正曲線載載る載荷弦載荷板