I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.The Ascaris adults may perforate a su...
I refused to wear headphones because they can perforate your eardrums.我不愿戴耳机，因为它可能会使鼓膜穿孔。to perforate something with a pin用针在某物上穿孔In advanced stages the opaque corneas may ulcerate and even perforate.在疾病后期,不透明的角膜可能产生溃疡,甚...
Increasing the total time lag is destabilizing.增加总时滞将使稳定性降低.Agricultural modernization is relatively industrialized lag, become the limitative factor that develops industry again conversely.农业现代化相对工业化滞后, 反过来又成为发展工业的限制因素....
Both lateritic deposit and gossan deposit are of weathering origin.红土型金矿床、铁帽型金矿床同属风化淋滤成因的残坡积表生金矿床.Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alteration, and geophysical and geochemical...
His social obligation compels him to make a round of visits.他的社会职责使得他不得不进行一系列访问。The research compels him to spread out into other fields.这项研究工作迫使他去钻研其他的学问.My health compels me to knock off work.我的健康问题使我不得不停止工作.Necessity,...
There must be any number of people in my position.一定有很多人处在我这种境况。They issue a fixed number of shares that trade publicly.他们发行一定数量的可公开交易的股票。The economy is the number one issue by far.到目前为止，经济是头等大事。...
Jet aerator especially self - suction jet aerator can meet the need well.射流曝气,尤其是自吸式射流曝气就可较好地满足这一要求.The length of air cavity is an important factor in design of lateral aerator.侧空腔长度是侧墙掺气坎设计时考虑的重点内容.The optimum aperture ...