Berthonite
車輪礦
??? 情景例句
My mom is available to baby-sit this weekend.
我媽媽在這個周末可以照顧小寶寶。
I'm not accustomed to going out after dark.
我不習慣在天黑了以后去外面。
My pen dropped on the ground when I was walking in the park.
當我在公園里散步的時候，我的鋼筆掉到地上了。