T1d50
[医] 半数组织感染量
🗣️ 情景例句
Have you ever been to Nanjing?
你曾去过南京吗？
I'll work for 5 years and then go back to school.
我会工作五年，然后会学校。
Though these large machines still exist, many of their functions have been taken over by small powerful personal computers, commonly known as PCs.
虽然这种大计算机仍然存在，但它们的许多功能已被体积小但功能齐全的个人电脑——即我们常说的PC机——所代替了。