Piazza's test
[医] 皮阿扎氏试验(检结核病)
🧩 词语组成解析
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
Law makers should not be law breakers.
正人先正己。
When he began to play a tune, we had our first glimpse of the snake.
当他开始吹奏一支曲子时，我们才第一次看到那条蛇。