Diaphragming
阻隔, 调光圈(照相)
🗣️ 情景例句
Is the weather always like this?
这儿的天气总是这样吗？
Not only did he make a promise, but he also kept it.
他不仅许下诺言，而且遵守了。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。