Some bears hibernate.有些熊冬眠。In cool weather, serpents do not tempt; they grow diffident, recede and hibernate.在凉爽的天气里, 蛇是不会出来引诱人的, 它会胆怯 、 退避,还要冬眠.In winter bears usually hibernate in their dens.冬天熊通常在穴里冬眠.Dormice hibernat...
避免采用灰化消解.Ashing should be avoided.本文研究了湿法灰化火焰原子吸收法测定多种加工食品中的钙 、 镁和铁.Wet ashing and flame atomic absorption determination of Ca, Mg and Fe have been studied.考查了石墨炉原子吸收测定硅铁合金中钼的最佳灰化、原子化条件,酸介质及共存元素的影响.Determination of trace...
The workmen quarried out a huge block of marble.工人们从采石场采得一块很大的大理石.The large limestone caves are also quarried for cement.同时还在这些大石灰岩洞里开采水泥原料。He quarried in his old manuscripts.他在旧手稿中寻找资料....