必克馨香书屋：背1遍就想上考场四级单词（八）

convert
Converted to a standard match of 90 minutes, each referee made almost 23 mistakes, a remarkably high number.

Detect
But a metal detector can't detect the kind of explosives that were sewn into his clothes.

architect
Some wealthy ecoconscious clients are already asking their architects for smaller, simpler dwellings.

Protect
During the process, great care has to be taken to protect the delicate silk from damage.

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