Colllodion of sulfonated bitumen
[医] 磺化沥青火棉胶
🧩 词语组成解析
[医] 火棉胶
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
[化] 磺化的
bitumen
[bə'tumən]
n. 沥青，柏油;
🗣️ 情景例句
We will also need a letter of recommendation.
我们还要求一封推荐函。
Competition for this kind of goods is tough.
这种商品的竞争非常激烈。
When their father died, they thought it their duty to keep Eric in hiding.
父亲死后，他们兄弟俩认为有责任继续把埃里克藏起来。