Her going on maternity leave will create a temporary vacancy.她休产假时将会有一个临时空缺。Clara saw the vacancy of her expression gradually filling with woefulness.克莱拉看到她空洞的表情中渐渐充满了悲痛.The vacancy of the boy’s expression made Father do...
The mere mention of food had triggered off hunger pangs.单单提到食物就引起了阵阵饥饿感。She felt sudden pangs of regret.她突然感到痛悔不已.Very early in life when the baby feels the pangs of hunger, she learns to scream.当新生儿感到饥饿时，就学会了喊叫。...
Citric acid can be extracted from the juice of oranges, lemons, limes or grapefruit.柠檬酸可以从橙汁、柠檬汁、酸橙汁或者柚子汁中提取。This compartment contains citric acid at a concentration up to 24 times higher than the cytoplasm.这种间隔中所含柠檬酸浓度比...