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- A babel of voices could be heard from the street. 可以听见街上一阵噪囔的声音。
- A strange shape could be seen through the fog. 在雾中隐约可见到一个奇怪的人形。
- I wish I could be a master of this subject. 但愿我能精通这门学科就好了。
- The dim outline of a house could be made out. 有一所房子的模糊轮廓依稀可辨。
- The homework could be done with ease. 家庭作业很容易做。
- I wish I could be master of this language. 但愿我能精通这门语言。
- Rifle reports could be heard in the distance. 听得见远处传来的步枪声。
- Most diseases could be wiped out. 大多数疾病是可以被消灭的。
- Such examples could be multiplied indefinitely. 这样的例子不胜枚举。
- A volley of automatic rifle fire could be heard. 一阵自动步枪的扫射声传了过来。
- A chimney could be seen smoking in the distance. 看得见远处的烟囱在冒烟。
- The blare of horns could be heard in the distance. 可以听到远处传来的号角声。
- Nobody but you could be so selfish. 除了你之外，谁也不会这样自私。
- Disembodied voices could be heard in the darkness. 在黑暗中听见了人声，却看不见人影。
- The refinery could be on stream within three or four weeks. 提炼厂可在三四个星期内开始生产。
- The smoke of the burning house could be seen many blocks away. 着火的房子的冒出的烟在几个街区外都能看到。
- He could be extremely nice and friendly when he chose. 他愿意的时候可以非常和蔼友好。
- I think I have an abscess on my gums. This could be serious. 我想我的牙床上有个脓疮，这可能是严重的。
- I hardly ever know that aluminium alloy could be as strong as steel. 我几乎从来不知道铝合金竟会和钢强度一样大。
- Computers could be plugged into a national network and be used like radios. 计算机可以通过插座与全国计算网络联接，就象用一架收音机一样。
