您要查找的是不是：
- self masking epitaxy 自掩蔽外延
- Self - mockery may sometimes mask great conceit. 自嘲有时隐藏很大的自负。
- He wore a mask so that no one should recognize him. 他戴了一个面罩，使别人认不出他来。
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- Capable of masking or neutralizing odors. 可除臭的可以掩臭或中和臭气的
- He's not looking like his old self lately. 他最近看起来不像以前那样。
- He is my best friend, my second self, as it were. 他是我最好的朋友，或者说，是第二个我。
- Sham is sham and the mask must be stripped off. 假的就是假的，伪装应当剥去。
- He never has any thought of self. 他从不考虑个人得失。
- He tried to mask his disappointment with a smile. 他试图以微笑来掩饰他的失望。
- He is now out of all conceit with his former self. 他现在全盘否定了他原来的自己。
- The mask fitted tightly over his face. 他用面具把脸蒙得严严的。
- They did so under the mask of charity. 他们是打着慈善的幌子这么做的。
- Such feelings tend to remain submerge beneath a mask of social politeness. 在社交礼貌的掩盖下，这样的情感往往不会显露出来。
- Next, the epitaxy substrate is removed. 然后，移除磊晶基板。
- Members of the public may wear a face mask for self protection. 一般市民也可以佩戴口罩以加强防护。
- Her sociable manner is really a mask for a very shy nature. 她那好交际的作风，实际上是她腼腆天性的伪装。
