Luffability
起重機臂傾角變化范圍
??? 情景例句
You probably heard about it. We have private teachers in our holiday.
或許你已經聽說過。我們交大的學生在假期間做家教。
Just my shirt and jeans.
我就穿襯衣和牛仔褲。
I can't say for certain off-hand.
我還不能馬上說定。