So weighing the difference of pushing on the belly rather than using forceps or a vacuum to extract the baby (done in America) may be the question of what is worse of the two.
所以说,究竟是按压腹部害处多,还是使用医用产钳或者真空吸附的方法危险大,确实是一个很难回答的问题。
I had to be very careful on the daily rationing - weighing out what was left of the nuts, dried fruit and other small snacks very carefully so we had about 100g each.
每天,我都要非常仔细地配给食物——小心翼翼地称量出还剩下多少坚果、干果和小点心。我们每人每天只有100克的食物。
So Dr Gura replaced the 10kg pumps of a traditional machine with small ones weighing only 380 grams.
由此,古拉博士用一种重量仅为380克的小型泵取代了传统机器中重达10千克的泵。
This will be the definition of the mole as the amount of carbon weighing exactly 12 grams, so I would like to know now how many particles, how many carbons are there in that mole.
摩尔的定义就是,12克的碳的数量,我想知道有多少粒子,一摩尔会有多少碳粒子。
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