As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.凭经验估计，一杯过滤咖啡约含80毫克咖啡因。As a rule of thumb , the minimum device feature is about 4 times the beam diameter.一般来说, 最小器件图形大约是电子束直径的4倍.A rule of thumb ...
Many of the women I spoke to left because they felt constricted.和我聊过的很多女性因为觉得受拘束离开了。His throat began to feel swollen and constricted.他开始觉得喉咙肿胀发紧。Her throat constricted and she swallowed hard.她喉咙发紧，使劲地咽了一下唾沫。...