T1d50
[医] 半数组织感染量
🗣️ 情景例句
If your pet turtle gets sick, take him to the vet.
如果你的宠物龟病了，带它去看兽医。
I doubt he'll win the election.
我怀疑他是否能赢得选举。
Several people complained of cat-like noises' at night and a businessman on a fishing trip saw the puma up a tree.
有人抱怨说夜里听见“像猫一样的叫声”；一位商人去钓鱼，看见那只美洲狮在树上。