Bathmometry
拐点法
🗣️ 情景例句
Please tell him that Lu Ming tried to contact him.
请你转告他陆明正设法跟他联系。
My book has a dark blue cover.
我的书有一个深蓝色的封面。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。