Tests of welded vessels
[化] 焊接容器試驗
?? 詞語組成解析
n. 測驗（test的復數）
of
[?v]
prep. 關于;屬于…的;由…制成;
aux. 助動詞 [非標準用語、方言] =have [主用于虛擬語氣];
v. 焊接；使結合（weld的過去分詞）
n. 容器；船舶；血管（vessel的復數）
??? 情景例句
Maybe he can do the same thing for your grandfather.
也許他能為你爺爺做同樣的事。
Don't forget to call me.
不要忘記叫我。
You see, I was hoping to give you a surprise.'
嗯，我是想讓你大吃一驚。”