The aircraft had reached its cruising altitude of about 39,000 feet. [+ of]
飞机已到达约3.9万英尺的巡航高度。
The following day I ran my first race at high altitude.
第二天我第一次在高海拔地区参加了赛跑。
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切換為繁體中文