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...
A transverse bar joins the two posts.一根横杆连接着两根立柱。The transverse fibres or commissure unite the two ganglia of a pair.横行的纤维即接索则把成对的两个神经节连在一起.With the X - frames projecting into the boxes, the transverse diaphragms were fo...
If more bentonite clay is used, the lead temperature must be decreased.如果多用膨润土, 铅的温度必须降低.Bentonite is an expandable three - layer clay mineral.皂土是一种可膨胀的土层粘土矿物.The moving current is white and opaque due to the use of a be...
A hawk hovered in the blue sky.一只老鹰在蓝色的天空中翱翔。He who makes himself a dove is eaten by the hawk.弱肉强食。A hawk hovers in the sky.一只老鹰在天空盘旋.An empty hand is no lure for a hawk.空手诱不来老鹰。The hawk swooped and soared away carrying ...