Picogram method
[化] 次超微量法
🧩 词语组成解析
picogram
[['paikəugræm]]
皮(可)克, 微微克(10的-12次方克)
🗣️ 情景例句
My brother Robbie ...
我弟弟Robbie……
Friendship ---- one soul in two bodies.
友谊是两人一条心。
We were, however, worried about our nearest neighbors, whose farm was low lying and who were newcomers to the district.
不过，我们很为我们的近邻担心。他们的农场地势低洼，而且他们又新来乍到。