Toughened caustic
[醫] 硝酸銀棒
?? 詞語組成解析
v. （使某物[人]）堅韌, 堅強, 強硬( toughen的過去式和過去分詞 )
caustic
['k?st?k]
adj. <化>苛性的;腐蝕性的;尖刻的，刻薄的;[物]焦散的;
adv. 刻薄地，挖苦地;
n. 焦散線，焦散面;刻薄，諷刺;[化]苛性堿;[醫]腐蝕劑;
caust燒+ic...的 → 苛刻的；腐蝕性的
??? 情景例句
Safety first.
安全第一。
I didn't like the taste of the medicine,but I took it anyway.
我不喜歡藥的味道，但是我拿了它沒辦法。
Why don't you hire a car and drive around for a couple of weeks?
你為什么不租部車四處轉上一兩個星期呢？