Although we were born without teeth, humans have to sets of teeth: The milk teeth and the permanent teeth.. The milk teeth start growing at the age of six months.[r]
Đang tải... (xem toàn văn)
THÔNG TIN TÀI LIỆU
Although we were born without teeth, humans have to sets of teeth: The milk teeth and the permanent teeth.. The milk teeth start growing at the age of six months.[r]
Ngày đăng: 19/01/2021, 18:53
Xem thêm:
TỪ KHÓA LIÊN QUAN
TÀI LIỆU CÙNG NGƯỜI DÙNG
TÀI LIỆU LIÊN QUAN