硬币的真假可以靠声音来区分。
术前可通过TEE找到撕裂的内膜片、发现内膜破口、区分类型、区分真假腔及了解心脏状况。
Before endovascular repair, TEE was used to detect the tearing of intima, observe the outlet, distinguish classification, identify the true and false lumen, and identify cardiac function.
先对祈使句进行功能（语法）分析，主要是标记和无标记主位的分析，然后从语用学角度辨析真假指令，并区分它们不同的指令力。
A functional-pragmatic approach helps explain marked and unmarked true directives and pseudo-directives with various directive powers, supported by veritable advertisement examples.
应用推荐