V.f.
[医] 视野
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
I'm tired.
我累了。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。