Free drainage
[医] 通畅导液法, 通畅引流法
🧩 词语组成解析
free
[fri]
adj. 自由的;免费的;免税的;空闲的;
adv. 免费地;自由地，无拘束地;一帆风顺地;
vt. 免除;释放;使自由;解救;
🗣️ 情景例句
Ask Paul Smith to fill in for me.
叫Paul Smith代替我出席。
The husband has built a doghouse for his dog.
丈夫为爱犬建造了狗屋。
No, it's OK.
没有，还好着呢！