Compound resistance
[建] 复合阻力
🧩 词语组成解析
🗣️ 情景例句
Are there any tours for the Grand Canyon?
有到大峡谷的旅游团吗？
Would you speak a little louder?
请稍微说大声点。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。