Pbe
[医] 牛结核菌乳剂(牛型结核菌经培养后制成的结核菌素)
🗣️ 情景例句
There's nothing more joyous than the arrival of a new baby.
没有任何事能比新生儿的到来更令人喜悦的了。
No matter what happens, don't look excited.
不管什么事情发生，你总不要显得激动。
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，