Ceilometer
n. 云幕燈, 云高計
??? 情景例句
Can I help?
要我幫忙嗎？
That's the point.
這正是問題的關鍵。
He led me into his room and hurriedly hid a large parcel under his desk.
他把我領進屋，慌忙把一個大包藏到了桌子下面。