The aircraft had reached its cruising altitude of about 39,000 feet. [+ of]
飛機已到達約3.9萬英尺的巡航高度。
The following day I ran my first race at high altitude.
第二天我第一次在高海拔地區參加了賽跑。
👨🏻🏫 Mr. Ng 柯林斯詞典 📚 – collins.mister5️⃣.net切换为简体中文