Biolevel
生物水平面
🗣️ 情景例句
Hello, darling.
哈喽， 亲爱的。
This is my second trip to the United States, and I really enjoy staying here.
这是我第二次美国之行，我很喜欢这里。
The other students in the class keep their eyes closed.
班里其余学生一直闭着眼。